description aluminum ultra jack pump jack the ultra jack mechanism uses a spring loaded cam lock for smooth operation, and there is no clutch to wear out. for extra comfort, the foot levers and hand cranks are padded, and the toe straps are big enough to accommodate large workbooks. this amazing, new state of the art system is easier to operate than the older styles. california proposition 65 warning. features a versatile portable scaffolding system aluminum / steel construction the ultra jack is adjustable from 12 to 24 in. ideal for siding, roofing, painting, gutter, and soffit specifications acme tools brand name qual craft acme tools part number 2000q actual weight (lbs) 32 assembled weight (lbs) 32 assembly state ready to assemble brand / model compatibility qualcraft ultra jack california proposition 65 warning required yes country of origin china globaltradeitemnumber (gtin) 00012643020000 internal supplier part # 2000 internet product code (ipc) d1120c47f25 length (ft) 2 manufacturer warranty 2 years from date of purchase material aluminum maximum platform width (in) 24 meets ansi or osha standards yes package weight 32 package weight (lbs) 32 pump jack component type pump jack scaffolding type pump jack components tools or other items required for assembly yes upc 012643020000 weight rating (lbs) 500