Specifications Model: WBS-018 Adjustable Length: 8-13 ft / 2438.4-3962.4 mm Max. Capacity: 500 lbs / 227 kg Material: Aluminum Alloy Item Width: 12.5 in / 317.5 mm Net Weight: 34.39lb / 15.6kg Product Dimensions (Closed State): 90.55x12.8x3.34in / 2300x325x85mm Package Content Telescoping Plank x 1 Stainless Steel Wing Screws x 2 Stainless Steel Hexagonal Screw x 1 Stainless Steel Nuts x 1 User Manual x 1