20 pcs Gears Cogs Antiqued Brass & Silver for Crafting Steampunk Jewelry & Altered Art 1" size Set of 20 Different Gears and Cogs Size 1" (2 are 3/4") approx. 25mm Perfect for Steampunk jewelry and altered art creations 10 Brass and 10 Antiqued Silver Zinc Alloy Sturdy Metal Gears