The extruded aluminum cross bars telescope to exact bed width of dumps and trailers up to 102 inches wide. Each kit includes a tarp roller, 7 inch folding hand crank with mounting plate, tarp, a 20 ft rope, 4-rope tie-down hooks, and two 15 inch rubber straps with S hooks. All tarp kits include cast bearing and zinc plated mounting hardware. The Kit Includes Tarp Roller, folding crank, mounting plate, tarp, rope, rope tie-down (4), rubber straps (2), s-hooks.