Rubber Dock Bumper Heavy 4" Deep Duty Rubber Extruded Bumper for Boat Docks, Marinas, Loading Docks, and Parking Spots 39"（L) x 4"(W) x 4"(H) Includes 3 Bolts

These are superb dock bumpers,which were just what you needed at your loading dock to protect your boat, truck, and can also prevent you car door from banging against your drywall in garage.They are commercial grade hard rubber and will last many years even when submerged in salt water.Bumpers are designed to withstand heavy impacts and to adsorb the shock, so they do a great job of helping protect your dock, your boat, your car, your truck and so on.Installed on the edge of the unloading platform.Designed to withstand heavy impacts, adsorb the shock, and protect the cargo platform and trucks from damage.Well-made and able to take the harsh environment around the water.Bumpers are light weight, and very heavy duty and robust.Peolpe can stand on them and they will not compress.