description revolution m17 aluminum 300 lb telescoping type-1a multi-position ladder the little giant revolution is lighter than any comparable 300 lb-rated multi-use ladder. the revolution has several new patented features: the quad-lock鈩?hinge and the easy-to-use rock locks鈩?rung fasteners for quick adjustment. the revolution can be used in dozens of unique configurations, as an a-frame, extension, staircase and 90-degree ladder, and as a trestle-and-plank scaffolding system. the revolution鈥檚 wide-flared legs and aerospace-grade aluminum construction provide unmatched safety and stability. the little giant revolution is rated type ia to hold 300 lbs on both sides of the stepladder configuration. the revolution ladder is available in 17, 22, and 26 ft. sizes. california proposition 65 warning. features maximum reach of 18-ft in extension ladder position (assuming a 5 ft 6 in person with a vertical 12 in reach) multiple configurations, including a-frame, extension, staircase or 90 degree ladder and trestle-and-plank scaffolding system quad-lock hinge locks the ladder into place with 4 pins instead of 2 for increased stability and overall safety, and the easy-to-use rock locks allows for quick adjustment and convenience wheels offer added convenience, allowing you to roll it around your yard or through the house aerospace-grade aluminum construction and wide-flare leg design provide safety and stability type 1a rated weight capacity of up to 300-lbs on both sides makes it an ideal two-person ladder, so you can cut your workload in half a-frame height adjusts from 4-ft to 7-ft extension height adjusts from 9-ft to 15-ft limited lifetime warranty gives you peace of mind specifications acme tools brand name little giant safety acme tools part number 12017w ansi approved yes ansi ladder rating type ia assembled weight (lbs) 29.0 base spread (in) 37.0 base width (in) 23.0 california proposition 65 warning required no country of origin china csa certified yes duty rating (lbs) 300.0 globaltradeitemnumber (gtin) 00096764017002 internal supplier part # 12017 internet product code (ipc) 9309b5880ee ladder length (ft) 17.0 ladder material aluminum ladder type multi position manufacturer warranty limited lifetime warranty meets ansi or osha standards yes number of positions 24 osha approved yes package depth 9.0 package height 57.0 package weight 40.0 package weight (lbs) 40 rail material aluminum rung/step depth (in) 1.5 rung/step material aluminum telescoping yes top cap material n/a upc 096764017002 weather resistance yes weather resistant yes width (in) 23.0