1PCS Left Helical Gear 2M 15Teeth Interlaced Gear 45 Degree Helical Gear Keyway Bore 12/14/15/16/17/18/19/20/22mm 45# SteelHome Improvement > Hardware$7.97 (≈ DKK 53.11)$9.60In stockSold by AliExpress WWTo Store