{"product_id":"master-link-double-leg-grade-80","title":"Master Oblong Link — Double Leg Slings, Grade 80","description":"\u003ch2\u003eMaster Oblong Link — Double Leg Slings, Grade 80\u003c\/h2\u003e\n\u003cp\u003eThe Keating 091-1188 ladder, 6 mm to 56 mm, from 1 600 kg to 125 000 kg as catalogued. Drop forged and heat treated, Grade 80, part series\n\u003cstrong\u003e091-1188\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat a master link is\u003c\/h3\u003e\n\u003cp\u003eThe oblong ring at the top of a chain sling. Everything below it — the legs,\nthe hooks, the connectors — hangs off this one part, and the crane hook goes\nthrough it. E is the inside length, F the inside width, D the diameter of the\nsteel it is forged from.\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth rowspan=\"2\"\u003ePart No.\u003c\/th\u003e\n\u003cth rowspan=\"2\"\u003eMarked\u003c\/th\u003e\n      \u003cth colspan=\"2\"\u003eFor chain\u003c\/th\u003e\n\u003cth colspan=\"2\"\u003eCatalogue WLL\u003c\/th\u003e\n      \u003cth colspan=\"3\"\u003eDimensions, inches\u003c\/th\u003e\n\u003cth rowspan=\"2\"\u003eWeight\u003cbr\u003eeach\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003emm\u003c\/th\u003e\n\u003cth\u003einch\u003c\/th\u003e\n\u003cth\u003ekg\u003c\/th\u003e\n\u003cth\u003elb\u003c\/th\u003e\n\u003cth\u003eE\u003cbr\u003e\u003csmall\u003elength\u003c\/small\u003e\n\u003c\/th\u003e\n\u003cth\u003eF\u003cbr\u003e\u003csmall\u003ewidth\u003c\/small\u003e\n\u003c\/th\u003e\n\u003cth\u003eD\u003cbr\u003e\u003csmall\u003estock\u003c\/small\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1197\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e6-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e7\/32″\u003c\/td\u003e\n\u003ctd\u003e1,600\u003c\/td\u003e\n\u003ctd\u003e3,500\u003c\/td\u003e\n\u003ctd\u003e4-3\/8″\u003c\/td\u003e\n\u003ctd\u003e2-3\/8″\u003c\/td\u003e\n\u003ctd\u003e1\/2″\u003c\/td\u003e\n\u003ctd\u003e0.77 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1204\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e8-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e5\/16″\u003c\/td\u003e\n\u003ctd\u003e2,800\u003c\/td\u003e\n\u003ctd\u003e6,200\u003c\/td\u003e\n\u003ctd\u003e5-3\/8″\u003c\/td\u003e\n\u003ctd\u003e3″\u003c\/td\u003e\n\u003ctd\u003e11\/16″\u003c\/td\u003e\n\u003ctd\u003e1.85 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1213\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e3\/8″\u003c\/td\u003e\n\u003ctd\u003e4,500\u003c\/td\u003e\n\u003ctd\u003e9,900\u003c\/td\u003e\n\u003ctd\u003e6-1\/4″\u003c\/td\u003e\n\u003ctd\u003e3-1\/2″\u003c\/td\u003e\n\u003ctd\u003e7\/8″\u003c\/td\u003e\n\u003ctd\u003e3.30 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1222\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e13-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e1\/2″\u003c\/td\u003e\n\u003ctd\u003e7,100\u003c\/td\u003e\n\u003ctd\u003e15,600\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003ctd\u003e4″\u003c\/td\u003e\n\u003ctd\u003e1″\u003c\/td\u003e\n\u003ctd\u003e5.15 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1231\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e16-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e5\/8″\u003c\/td\u003e\n\u003ctd\u003e11,200\u003c\/td\u003e\n\u003ctd\u003e24,700\u003c\/td\u003e\n\u003ctd\u003e8″\u003c\/td\u003e\n\u003ctd\u003e4-3\/8″\u003c\/td\u003e\n\u003ctd\u003e1-1\/4″\u003c\/td\u003e\n\u003ctd\u003e8.80 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1240\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e18-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e3\/4″\u003c\/td\u003e\n\u003ctd\u003e14,000\u003c\/td\u003e\n\u003ctd\u003e30,800\u003c\/td\u003e\n\u003ctd\u003e10-1\/4″\u003c\/td\u003e\n\u003ctd\u003e5-1\/2″\u003c\/td\u003e\n\u003ctd\u003e1-3\/8″\u003c\/td\u003e\n\u003ctd\u003e14.2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1259\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e20-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e3\/4″\u003c\/td\u003e\n\u003ctd\u003e18,000\u003c\/td\u003e\n\u003ctd\u003e39,600\u003c\/td\u003e\n\u003ctd\u003e12″\u003c\/td\u003e\n\u003ctd\u003e6-1\/4″\u003c\/td\u003e\n\u003ctd\u003e1-1\/2″\u003c\/td\u003e\n\u003ctd\u003e19.8 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1268\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e22-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e7\/8″\u003c\/td\u003e\n\u003ctd\u003e21,200\u003c\/td\u003e\n\u003ctd\u003e46,700\u003c\/td\u003e\n\u003ctd\u003e13-1\/2″\u003c\/td\u003e\n\u003ctd\u003e7″\u003c\/td\u003e\n\u003ctd\u003e1-3\/4″\u003c\/td\u003e\n\u003ctd\u003e28.4 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1277\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e26-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e26\u003c\/td\u003e\n\u003ctd\u003e1″\u003c\/td\u003e\n\u003ctd\u003e28,000\u003c\/td\u003e\n\u003ctd\u003e61,600\u003c\/td\u003e\n\u003ctd\u003e13-3\/4″\u003c\/td\u003e\n\u003ctd\u003e7-1\/2″\u003c\/td\u003e\n\u003ctd\u003e2″\u003c\/td\u003e\n\u003ctd\u003e38.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1286\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e28-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e1-1\/8″\u003c\/td\u003e\n\u003ctd\u003e35,500\u003c\/td\u003e\n\u003ctd\u003e78,200\u003c\/td\u003e\n\u003ctd\u003e13-3\/4″\u003c\/td\u003e\n\u003ctd\u003e7-1\/2″\u003c\/td\u003e\n\u003ctd\u003e2″\u003c\/td\u003e\n\u003ctd\u003e38.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1295\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e32-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e1-1\/4″\u003c\/td\u003e\n\u003ctd\u003e40,000\u003c\/td\u003e\n\u003ctd\u003e88,000\u003c\/td\u003e\n\u003ctd\u003e15-3\/4″\u003c\/td\u003e\n\u003ctd\u003e8″\u003c\/td\u003e\n\u003ctd\u003e2-1\/4″\u003c\/td\u003e\n\u003ctd\u003e53.9 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1302\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e36-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003e1-3\/8″\u003c\/td\u003e\n\u003ctd\u003e50,000\u003c\/td\u003e\n\u003ctd\u003e110,100\u003c\/td\u003e\n\u003ctd\u003e17″\u003c\/td\u003e\n\u003ctd\u003e8-3\/4″\u003c\/td\u003e\n\u003ctd\u003e2-1\/2″\u003c\/td\u003e\n\u003ctd\u003e70.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1311\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e40-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e1-1\/2″\u003c\/td\u003e\n\u003ctd\u003e63,000\u003c\/td\u003e\n\u003ctd\u003e138,700\u003c\/td\u003e\n\u003ctd\u003e18″\u003c\/td\u003e\n\u003ctd\u003e10″\u003c\/td\u003e\n\u003ctd\u003e2-3\/4″\u003c\/td\u003e\n\u003ctd\u003e101.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1320\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e45-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e1-3\/4″\u003c\/td\u003e\n\u003ctd\u003e80,000\u003c\/td\u003e\n\u003ctd\u003e176,200\u003c\/td\u003e\n\u003ctd\u003e19-3\/4″\u003c\/td\u003e\n\u003ctd\u003e10-5\/8″\u003c\/td\u003e\n\u003ctd\u003e3-1\/8″\u003c\/td\u003e\n\u003ctd\u003e136.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1339\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e50-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2″\u003c\/td\u003e\n\u003ctd\u003e100,000\u003c\/td\u003e\n\u003ctd\u003e220,200\u003c\/td\u003e\n\u003ctd\u003e19-3\/4″\u003c\/td\u003e\n\u003ctd\u003e10-5\/8″\u003c\/td\u003e\n\u003ctd\u003e3-1\/2″\u003c\/td\u003e\n\u003ctd\u003e175.0 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e091-1348\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e56-8\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e56\u003c\/td\u003e\n\u003ctd\u003e2-1\/4″\u003c\/td\u003e\n\u003ctd\u003e125,000\u003c\/td\u003e\n\u003ctd\u003e275,200\u003c\/td\u003e\n\u003ctd\u003e21-5\/8″\u003c\/td\u003e\n\u003ctd\u003e11-3\/4″\u003c\/td\u003e\n\u003ctd\u003e4″\u003c\/td\u003e\n\u003ctd\u003e226.6 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eFigures transcribed from W. J. Keating Limited catalogue page 82. They\ndescribe the catalogued pattern, not a test result for any particular link.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003ePage 82 has these two tables the wrong way round\u003c\/h3\u003e\n\u003cp\u003eWorth knowing if you are working from an original copy of the catalogue, or\nfrom anyone else reprinting it: \u003cstrong\u003ethe single leg and double leg headings\non page 82 are transposed.\u003c\/strong\u003e We publish them here the right way round.\u003c\/p\u003e\n\u003cp\u003eThe arithmetic is what gives it away. Take the two ladders as printed and\ncompare them with the\n\u003ca href=\"\/products\/grade-80-chain-connector\"\u003echain connector table\u003c\/a\u003e on the\nsame page:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThe ladder printed as \u003cstrong\u003edouble leg\u003c\/strong\u003e has working load limits\n    \u003cstrong\u003eidentical, size for size, to the chain connector\u003c\/strong\u003e — that is,\n    to the straight-line working load limit of the chain itself. 6-8 is\n    1 120 kg in both. 26-8 is 20 000 kg in both. Every shared size\n    matches exactly. A straight pull on one chain is a \u003cem\u003esingle\u003c\/em\u003e leg\n    sling.\u003c\/li\u003e\n  \u003cli\u003eThe ladder printed as \u003cstrong\u003esingle leg\u003c\/strong\u003e runs about\n    \u003cstrong\u003e1.4×\u003c\/strong\u003e those figures up to 28-8, and about\n    \u003cstrong\u003e1.25×\u003c\/strong\u003e from 32-8 up. \u003cstrong\u003e1.4 is the standard mode factor\n    for a two-leg sling\u003c\/strong\u003e at up to 45°, under EN 818-4 and ASME B30.9.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSo the 091-1357 ladder is the \u003cstrong\u003esingle leg\u003c\/strong\u003e one and the\n091-1188 ladder is the \u003cstrong\u003edouble leg\u003c\/strong\u003e one, which is how they are\nlisted on this site. Part numbers are unchanged — only the heading moves.\u003c\/p\u003e\n\u003cp\u003eSeparately, three pairs share identical E, F, D and weight while carrying\ndifferent working load limits — 26-8 and 28-8 on the double leg ladder, and\n20-8\/22-8 and 26-8\/28-8 on the single leg one. That is one physical link listed\nat two ratings. Left exactly as the catalogue prints it.\u003c\/p\u003e\n\u003ch3\u003eOrdering\u003c\/h3\u003e\n\u003cp\u003eCatalogue reference, quoted to order. Tell us the sling — the configuration,\nthe chain size and the grade — and we will quote against it. Nothing here is\nsold off a shelf against a catalogue number, and no certificate is implied by\nthis page.\u003c\/p\u003e\n\u003cp\u003eSee the \u003ca href=\"\/pages\/chain-grades\"\u003echain grades guide\u003c\/a\u003e for what the\ngrade numbers and the size-grade markings mean.\u003c\/p\u003e\n\u003ch3\u003eAlso on page 82\u003c\/h3\u003e\n\u003cp\u003eThe same catalogue page carries the\n\u003ca href=\"\/products\/grade-80-chain-connector\"\u003eGrade 80 and Grade 100 chain\nconnectors\u003c\/a\u003e, 6 mm to 32 mm, and the\n\u003ca href=\"\/products\/master-link-single-leg-grade-80\"\u003esingle leg master links\u003c\/a\u003e.\u003c\/p\u003e","brand":"Dibblee","offers":[{"title":"6 mm — 7\/32″ chain","offer_id":50202626261269,"sku":"091-1197","price":0.0,"currency_code":"USD","in_stock":true},{"title":"8 mm — 5\/16″ chain","offer_id":50202626294037,"sku":"091-1204","price":0.0,"currency_code":"USD","in_stock":true},{"title":"10 mm — 3\/8″ chain","offer_id":50202626326805,"sku":"091-1213","price":0.0,"currency_code":"USD","in_stock":true},{"title":"13 mm — 1\/2″ chain","offer_id":50202626359573,"sku":"091-1222","price":0.0,"currency_code":"USD","in_stock":true},{"title":"16 mm — 5\/8″ chain","offer_id":50202626392341,"sku":"091-1231","price":0.0,"currency_code":"USD","in_stock":true},{"title":"18 mm — 3\/4″ chain","offer_id":50202626425109,"sku":"091-1240","price":0.0,"currency_code":"USD","in_stock":true},{"title":"20 mm — 3\/4″ chain","offer_id":50202626457877,"sku":"091-1259","price":0.0,"currency_code":"USD","in_stock":true},{"title":"22 mm — 7\/8″ chain","offer_id":50202626490645,"sku":"091-1268","price":0.0,"currency_code":"USD","in_stock":true},{"title":"26 mm — 1″ chain","offer_id":50202626523413,"sku":"091-1277","price":0.0,"currency_code":"USD","in_stock":true},{"title":"28 mm — 1-1\/8″ chain","offer_id":50202626556181,"sku":"091-1286","price":0.0,"currency_code":"USD","in_stock":true},{"title":"32 mm — 1-1\/4″ chain","offer_id":50202626588949,"sku":"091-1295","price":0.0,"currency_code":"USD","in_stock":true},{"title":"36 mm — 1-3\/8″ chain","offer_id":50202626621717,"sku":"091-1302","price":0.0,"currency_code":"USD","in_stock":true},{"title":"40 mm — 1-1\/2″ chain","offer_id":50202626654485,"sku":"091-1311","price":0.0,"currency_code":"USD","in_stock":true},{"title":"45 mm — 1-3\/4″ chain","offer_id":50202626687253,"sku":"091-1320","price":0.0,"currency_code":"USD","in_stock":true},{"title":"50 mm — 2″ chain","offer_id":50202626720021,"sku":"091-1339","price":0.0,"currency_code":"USD","in_stock":true},{"title":"56 mm — 2-1\/4″ chain","offer_id":50202626752789,"sku":"091-1348","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/4160\/7445\/files\/master-link-091-1188_13bc8dbf-3976-4f33-b250-36f7a5da1ef9.png?v=1790264586","url":"https:\/\/www.kentershackle.com\/products\/master-link-double-leg-grade-80","provider":"Kenter Shackles","version":"1.0","type":"link"}