description m17 17' 1aa 375# multi-position ladder the little giant super duty is the strongest, safest multi-use ladder there is. heavy wall, aerospace-grade aluminum and the highest quality construction make the super duty the only ladder for truly heavy-duty use. innovative locking hinges and telescoping sides allow you to use the super duty almost anywhere, including staircases, sloping ground, ramps, and other uneven surfaces. you can use the super duty model 17 in. up to 24 unique configurations such as an a-frame, extension, staircase, and 90-degree ladder and as a three-level trestle-and-plank scaffolding system. the super duty exceeds the highest osha and ansi standards for ladders, is rated to hold up to 375 lbs., and is backed by a lifetime warranty. california proposition 65 warning. features invest in quality and complete versatility with an adjustable a-frame, staircase, and 90-degree ladder in one compact, easy-to-use package use a true professionals ladder that is built to stand a heavy duty payload and is backed by a lifetime warranty use the right ladder for the right job every time and avoid 95 percent of all ladder-related safety issues the industrial strength, little giant super duty exceeds all osha and ansi standards and is rated to hold up to 375 lb. assembled in the usa specifications acme tools brand name little giant safety acme tools part number 10402w ansi approved yes ansi ladder rating type iaa assembled weight (lbs) 45 base spread (in) 24.5 base width (in) 24.5 california proposition 65 warning required no country of origin china csa certified no duty rating (lbs) 375 globaltradeitemnumber (gtin) 00096764402006 internal supplier part # 10402 internet product code (ipc) f4c1f905cc0 ladder length (ft) 15 ladder material aluminum ladder type multi position manufacturer warranty limited lifetime material aluminum meets ansi or osha standards yes osha approved yes package depth 8 package height 57 package weight 49.0 package weight (lbs) 49 rail material aluminum rung/step depth (in) 1 rung/step material aluminum telescoping yes top cap material aluminum upc 096764402006 weather resistance yes weather resistant yes width (in) 25