3m bumpon blacktransparent polyurethane rubber feet packs 3m sj 5302 mpcb this 3m8482 bumpon8482 transparent polyurethane rubber foot 79mm x 22mm is a self adhesive rubber bumper that can be used as a foot stop or spacer and comes supplied in a pack of 72 designed not to scratch or stain surfaces the hemispherical shape provides excellent sound damping and energy absorptionideal as a cushioning stop notebook computer non skid foot or for a small kitchen appliance or recessed