Material: copper, iron, stainless steel
Size: 8mm, 10mm, 12.5mm, 15mm, 17mm, 18mm, 19mm, 20mm, etc.
ãWidely Usedã15MM and 23MM Design is just the right size for jeans, overalls, denim bags, skirts, jackets, suits, corduroy pants, coats, work clothes, bags, crafts, masks, and hats.