AB-SA Specifications (Dimensions in inches, weight in pounds) Width, overall 40 Length, overall 72 Length, overall (arms extended) 120 Height, overall 52 Load capacity 4000 Net weight 170 Shipping weight 180 List Price (Call for dealer information) Pricing Material: Upperframe, 1 1/4" IPS aluminum alloy pipe. Steel underframe. toe plates, 4" wide steel. Wheels: Comes standard with 6" polyurethane wheels, 4" swivels, 2 with swivel locks. Image: Same as AB but with optional extension arms that extend two feet on each end to support long flexible loads.