7/8" Plug (25) pieces button plugs with flush-type heads can be used for plugging holes in equipment made of sheet metal, such as automobile bodies, tanks, refrigeration units, etc.For use in Holes .86" - .88" In material up to .080" thick. Can be snapped into holes easily Held in place by a bead until deliberately removed Material: Low-density polyethylene (BPF-5mm, BPF-6mm, BPF-1/4-4 and BPF-11/32 is EVA material) Service Temperature: LDPE: -94 - 175° F (-70 - 79° C) | EVA: -90 - 140° F Color: Black