2PCS/LOT Copper Gear 0.7M 10T 11T 12T 13T 14T 15T 16T 17T 18T 19T 20T Brass Spur Gear Hole 3mm-6mm Diameter/Carbon SteelHome Improvement > Hardware7,99 USD (≈ 6,55 CHF)DisponibileSold by AliExpress WWVai al negozio