Steampunk Watch pieces and parts Clock gears - 10 Large steel silver Gears Cogs Wheels 25mm In this lot I am offering 10 large silver steel gears for your crafting pleasure. These large pieces are great for jewelry, goggles, costume decoration etc. You can really make a statement with these! These gears are 1" (25mm) in diameter. please look at the picture with the ruler so you are sure of the scale.