The Grainger Approved Bumper is a black rubber bumper that provides impact absorption and noise reduction. It measures 4" wide x 2" high x 2" deep, weighs 0.31 lbs, and has a temperature range of -20°F to 150°F. This bumper has a shore A durometer hardness of 60A. It can be used on material handling equipment, grocery carts, hospital beds, and more to help protect walls, racks, and other equipment. Made in the USA.