3m bumpon blacktransparent polyurethane rubber feet packs 3m sj 5308 mpcb this 3m8482 bumpon8482 transparent polyurethane rubber foot 127mm x 31mm is a self adhesive rubber bumper that can be used as a foot stop or spacer and comes supplied in a pack of 80 designed not to scratch or stain surfaces while reducing vibration and noise the flat square top provides excellent load bearing and better wear resistanceideal as a cushioning spacer cushioning stop protective non skid