description skyscraper m21 type-1a aluminum ladder when you need to reach extreme heights, the little giant skyscraper adjustable stepladder is a fast, cost-effective and safe replacement for expensive lifts or scaffolding. now you can reach chandeliers, sky lights, and other difficult locations in rooms with high vaulted ceilings. the skyscraper is especially useful when working around obstacles like benches and stadium seating; and because it’s very portable, the skyscraper can be used in places where a motorized lift or bulky scaffolding simply can’t go. california proposition 65 warning. features assembled in the usa two-sided, two-person stepladder ansi rated to hold up to 300-lbs fully adjustable for stable use on stairs, curbs ramps, and more complies with all applicable osha and ansi standards ultra-light and strong aerospace-grade aluminum construction a-frame height: 11 to 21 ft stores at 11 ft 7 in skyscraper, 21 ft model - ansi type ia - 300 lb rated, aluminum adjustable stepladder 5-year limited warranty specifications acme tools brand name little giant safety acme tools part number 10121 ansi approved yes ansi ladder rating type ia assembled weight (lbs) 103 base spread (in) 43.5 base width (in) 43 california proposition 65 warning required no country of origin china csa certified no distance between rung/steps (in) 12 duty rating (lbs) 300 frame color / finish aluminum globaltradeitemnumber (gtin) 00096764121006 internal supplier part # 10121 internet product code (ipc) 705b9ff5b98 ladder length (ft) 21 ladder material aluminum ladder type step manufacturer warranty limited five year material aluminum meets ansi or osha standards yes number of steps 19 osha approved yes package depth 8 package height 141.5 package weight 124 package weight (lbs) 124 rung/step depth (in) 1 rung/step material aluminum step color aluminum top cap material aluminum upc 096764121006 weight (lbs) 103