The Grainger Approved 3/4 in Black Rubber Bumper is a rubber bumper designed to help absorb shock and reduce noise from impacts. It has a 3/4 inch diameter and is made from durable black rubber. This bumper can be used on doors, lids, cabinets, and more to help protect surfaces and reduce wear. It has a pressure sensitive adhesive backing for easy installation. Overall, this is a simple but useful rubber bumper that can be applied in various applications to protect equipment.