The Grainger dock bumpers are heavy duty rubber bumpers designed to absorb impact and protect loading docks, buildings, and vehicles during loading and unloading. They feature solid rubber construction with steel mounting hardware and are available in multiple sizes from 4" x 12" to 10" x 72". The bumpers can withstand up to 30,000 lbs of impact force. They are weather and UV resistant. Grainger offers a range of mounting options including vertical, angled, and corner mounting. The bumpers come with a 5 year warranty. Grainger is a leading supplier of industrial parts and equipment including a full line of loading dock products.