S Spring Press Studs Coloured Cap with Gunmetal Back Snaps for Handbags and Belts Material: Metal Back Snaps Color: Gunmetal Black (Socket, Stud, Post) Caps: 15mm Outer Socket: 14mm Outer Stud: 11mm Post Diameter: 11mm Post Height: 7mm Available Quantities: 10 Sets, 50 Sets, 100 Sets Size for Dark Navy, Red, Dark Green, Royal Blue, Brown: Cap Height: 4.8mm Stem Height: 2.8mm Diameter: 3.3mm Size for Other Colors: Cap Height: 5.8mm Stem Height: 3.8mm Diameter: 2.9mm Snap fasteners, also known as press-studs, are commonly used in tailoring and leather crafting. Made from metal, these fasteners are strong, rustproof, and durable for regular use. The double action S-springs inside allow smooth opening and closing operation. These fasteners feature colored caps that can be matched or contrasted with fabric. S spring press-studs are suitable for bags, purses, clutches, jackets, leather crafts, and various DIY projects. The five colors—Dark Navy, Red, Dark Green, Royal Blue, and Brown—have a cap height of 4.8mm, while other colors have a cap height of 5.8mm. Each set includes four 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