The 1/2" Black Rubber Bumper from Grainger is a rubber bumper with a 1/2" diameter and 1/2" height. It has a black finish and is made from rubber. The bumpers have a durometer hardness of 60A. They can provide impact absorption and noise dampening. The bumpers are sold in a pack of 50 pieces. They can be used in various applications like furniture glides, door stops, cabinet bumpers, and more. The bumpers are made in the USA.