1pc 30 Teeth 1M Spur Gear 1 Module 30T Blue Nylon /Stainless /45# Steel Motor Metal Gears with Step Bore 4 5 6 6.35 7 8 10-17mmHome Improvement > Hardware$3.31 (≈ CA$4.63)$3.89In stockSold by AliExpress WWTo Store