4" Loading Dock Bumpers Deep Molded Rubber Dock Bumper Square Duty Rubber Extruded Bumper for Boat Docks Marinas Loading Docks Parking Spots with 4 Pre-drilled Hole Bolts, 12"x12"x4"

It's a dock bumper with tough construction, can stand up to things hitting it.

They are super hard, solid, and heavy duty, which can also work great on your trailer door as a bump stop and spacer.

And in addition, Put it on your building and it stopped those trucks from smashing wall to pieces.

It's easy to mount.

Highly recommend! Using the best natural rubber, wear-Resistant, strong pressure resistance.