description hyperlite sumostance 28 ft type iaa fiberglass extension ladder the hyperlite sumostance type iaa is the only extension ladder in the world with little giant鈥檚 patented sumostance leveling outrigger system, which more than doubles the ladder鈥檚 base width and increases side-tip stability. the sumostance's intuitive safety features help ensure a safe, stable set-up for any job on almost any surface and is lighter than ordinary extension ladders. the hyperlite sumostance also offers a side-to-side bubble level and front-to-back angle indicator, making it possible to set up the ladder safely. the side-mounted, dual-pulley system reduces the effort required to lift the fly section by 45% and removes the potential trip hazard caused by traditional center pulley rope systems. its wide rungs let you work comfortably without foot fatigue. the patent-pending sure-set鈩?foot allows you to set the feet in either flat or spike positions and have them stay in place. little giant鈥檚 patent-pending nonconductive hi-viz green rail is safe to use around electricity and has been scientifically proven to be the most visible hue of the color spectrum to the human eye. why should a ladder need to be hi-viz? some of the most catastrophic falls are caused by people who walk or drive into an extension ladder in use. people die simply because the ladder was not visible. california proposition 65 warning. features maximum reach height: 27 ft 5 in (assuming a 5 ft 6 in person with a 12 in vertical reach) non-conductive fiberglass construction provides additional safety while working around electricity sumostance leveling outrigger system helps ensure a safe, level setup roof line indicator to ensure a quick, safe setup with at least three feet above the contact point side-to-side angle indicators help ensure a proper, safe setup every time patent-pending hi-viz green rail prevents catastrophic accidents caused by people who accidentally walk or drive into an extension ladder while in use complies with all osha, ansi a14 strength and testing standards wide, flat rungs provide great comfort and reduce foot fatigue side-mounted, dual-pulley system reduces the effort required to raise the fly section by 45 percent and removes the trip hazard caused by traditional center-pulley rope systems 1-year limited warranty complies with all osha, ansi a14 strength and testing standards; rung/step spacing complies to osha standards osha 1910-23, osha 1926-10-53 high-strength polymer molded leg brace for increased stability co-molded nonslip rubber wall pads protect working surfaces and provide superior stability weather-resistant uv-inhibiting compound in fiberglass resin for extended outdoor use up to 20 percent more rigid than comparable standard extension ladders* based on tests performed in a controlled ansi-compliant test lab specifications acme tools brand name little giant safety acme tools part number 17228 ansi approved yes ansi ladder rating type iaa assembled weight (lbs) 59.0 base spread (in) 22.5 base width (in) 22.5 california proposition 65 warning required no collapsed height (in) 174.5 country of origin united states csa certified yes duty rating (lbs) 375.0 globaltradeitemnumber (gtin) 00096764172282 internal supplier part # 17228 internet product code (ipc) 2db9ac3d633 ladder length (ft) 28.0 ladder material fiberglass / aluminum ladder type extension manufacturer warranty 1 year warranty meets ansi or osha standards yes osha approved yes package depth 7.0 package height 176.0 package weight 63.0 package weight (lbs) 63 rung/step depth (in) 1.0 rung/step material aluminum telescoping no upc 096764172282 weather resistance y weather resistant yes