S Spring Press Studs Coloured Cap with Gunmetal Back Snaps DIY for Handbags Belt Specifications: Material: Metal Back Snaps Color: Gunmetal Black (Socket, Stud, Post) Caps: 15mm Outer Socket: 14mm Outer Stud: 11mm Post Diameter: 11mm Post Height: 7mm Qty: 10 Sets, 50 Sets, 100 Sets Size of Dark Navy, Red, Dark Green, Royal Blue, Brown color: Cap Height: 4.8mm Stem Height: 2.8mm Diameter: 3.3mm Size of other colors: Cap Height: 5.8mm Stem Height: 3.8mm Diameter: 2.9mm Snap fasteners, also called press-studs, are commonly used in tailoring and leather crafting. Made from metal, these snaps are strong, rustproof, and durable for regular use. The double action S-springs inside allow smooth opening and closing operation. These fasteners come with caps in various colors, allowing the cap color to be matched or contrasted with the fabric. S spring press-studs are suitable for a variety of applications including bags, purses, clutches, jackets, leather crafts, and DIY projects. The five colors (Dark Navy, Red, Dark Green, Royal Blue, Brown) have a cap height of 4.8mm, while other colors have a cap height of 5.8mm. Each set includes 4 parts: Part A - Cap for fixing socket Part B - Socket (female part of press-stud) Part C - Stud (male part of press-stud) Part D - Post for fixing stud