MIDWEST FASTENER brand 1-1/2" Black Plastic Desk Grommets 2PK feature a black finish, plastic material, 1-1/2" diameter, and desk style..These grommets are designed for use as desk grommets.
A machine screw, also called a stove bolt, is generally a smaller fastener threaded the entire length of its shank. Commonly used with flat or lockwashers.