1/2/5/10pcs GT3 20Tooth 32Tooth Timing Pulley Bore 5/6/6.35/8mm For Belt Width 6/9/10mm Synchronous Wheel Timing PulleyHome Improvement > Hardware5,74 USD (≈ 5,14 €)7,08 USDDisponibileSold by AliExpress WWVai al negozio