CHENGYIDA 100-Sets (4 Color) Snap Fasteners Heavy Duty Poppers Sewing Leather Jeans Jacket Canvas Buttons Kit + Fixing Tool Hammer 655# 10mm Color: Gold Color/Brozne Color/Siver Color/Nickel Color , 25 set per color,total 100 set Studs Size: 655# 10mm Hammer Length : 23.5 cm This fixing tool kit is used for 15mm press studs,Can be used in clothing, Jeans, Leather,Sportswear, Bags, leather craft etc. Qty : 100 sets press studs(4 Color) + working tool(4pcs) + One Hammer