Lot 3/8" Gun Black Spots Cone Screw Metal Studs Leathercraft Rivet Bullet Spikes Condition: 100% Brand-New. 7x10mm 3/8" Cone shaped Spikes with a round base Height: 3/8 inch (10mm). Base: 9/32 inch (7mm) Color: Black Material: Alloy. Shape: Round Cone Spike. Screw Type: Slotted / Phillips (Depends on stock availability). Suitable for: Leather Bracelets, Dog collars, Bags, Clothes, Shoes, Belts, Hats, etc. Package included: 100x spikes cone Studs