ABSORBS COLLISION IMPACT FOR REDUCED DAMAGE: Protects docks and walls from accidental impact from truck trailers DURABLE LAMINATED DESIGN: Stacked layers of rubber are bound together to create multi-layer surface and aborb force of impact SUITABLE FOR INDOOR/OUTDOOR APPLICATIONS: Use on loading docks or bays for exterior applications, or install in industrial warehouse facilities to protect against forklift and machinery impact HORIZONTAL INSTALLATION: Mounts horizontally with heavy-duty steel attachment brackets and 3/4" mounting holes DIMENSIONS: Measures 16" W x 10" H x 4.5" D Guardian Industrial Products dock bumpers are built strong to absorb collision impacts while effectively protecting both truck trailer equipment and warehouse or loading dock structures. Each dock bumper is designed for horizontal installation, measuring 16"W x 10"H x 4 1/2"D overall, constructed with several layers of laminated rubber bolted together with a heavy duty steel mounting bracket. The stacked rubber transfers an impact forces across the layers to disperse energy more efficiently than a solid rubber block. Brackets on each side feature 3/4" mounting holes for securing to walls and loading docks. Great for both outdoor or indoor industrial applications.