Vestil 636-4.5 Horizontal Laminated Dock Bumper, Fabric Reinforced Rubber, Rectangular, 4 Holes, 6" Height, 36" Width, 4-1/2" Depth Horizontal loading dock bumper for preventing damage by a vehicle to dock or building 4-1/2" rubber padding for elasticity and resistance to impact Fabric-reinforced for strength and dimensional stability Steel mounting and tie rods for strength and durability Welds to dock or bolts to dock for easy installation