Silicone Bumpers - Small (8x2mm, 4 pack)
Cost: $0.50 each
Description: Rubber feet raise your PCB or project up off your desk. This helps prevent short circuiting from bits of scrap wire floating about or setting a project down on a conductive surface. They also prevent your enclosure or PCB from sliding around. These are self-adhesive and 8mm in diameter and about 2mm tall. They come in a set of 4.