1pc/lot Timing Belt Pulley Xl 15T 18T 20T Clamping Synchronous Pulley Bore 5/6/6.3/7/8/10/12/12.7mm For 3d Printer AccessoryHome Improvement > Hardware9,42 $ (≈ 7,75 CHF)11,22 $Auf LagerSold by AliExpress WWZum Shop