Geeyu ZHaonan-Timing Pulley, 10 Teeth 40 Teeth XL Reduction Timing Belt Pulley Set, Ratio 1:4/4:1 10T 40T Shaft Center Distance 100mm 132XL Belt Gear Kit Timing Belt Pulley, Accurate Size

Geeyu ZHaonan-Timing Pulley, 2 pcs Pulley MXL-20T Bore Size 4/5/6/6.35/8 mm, Belt Pulley Slot Width 11mm, Match with Width 10mm MXL-Timing Belt for 3D Printer, Accurate Size MXL 20 Tooth Geeyu ZHaonan-, 10 Teeth 40 Teeth XL Reduction Timing Belt Pulley Set, Ratio 1:4/4:1 10T 40T Shaft Center Distance 100mm 132XL Belt Gear Kit Timing Belt Pulley, Accurate Size Timing Pulley Geeyu GT2 Tiing Belt, Wide 9, Rubber, 2GT-9, Sall Backlash, For... It gives better smoothness and accuracy of positioning, resulting in better printing quality. Jettingbuy]Hot 2Pcs 16T/20T GT2 Timing Pulley 5/6.35/8mm Bore For Belt Reprap 3d Printer Ppart I3572733693 Made of high quality aluminum, precision working, durable in use.