copper button stops Sizes:3/64", 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" copper button stopsSizes:3/64", 1/16", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" 3/8" 1/2"Packing: cartonZinc Plated, Nickel Plated & Chrome Plated are available on request