45 # Steel 0.5 Modulus 20 Tooth -60 Tooth Worm Gear Aperture 4mm 5mm 6mm 1 Worm Gear or Worm Gear 0.5M 20T-60THome Improvement > Hardware2,93 $ (≈ 2,61 €)3,86 $Auf LagerSold by AliExpress WWZum Shop