The Buyers Products B4000 Heavy Duty Friction Stock Rubber Dock Bumper is designed to protect trucks, trailers, loading docks, and equipment from repeated impact. Compression molded from premium rubber and reinforced with internal nylon and rayon cording, this durable rubber dock bumper absorbs shock and resists tearing, cracking, and deformation over time. Measuring 6 x 8 x 3 inches, this dock bumper pair provides reliable surface coverage for delivery bays, warehouse docks, trailers, and commercial equipment, helping reduce damage, downtime, and costly repairs. Engineered for high‑traffic, industrial environments, it delivers long‑lasting performance where dependable dock protection is essential. Buyers Products has been a trusted leader in truck equipment since 1946, designing products with expert craftsmanship, innovation, and a commitment to quality. Built the right way and made to work as hard as you do, the B4000 rubber bumper delivers proven durability you can trust.