Cheap And Discounts 3DSWAY 2GT Timing Pulley 16 Teeth 20 Tooth GT2 Pulley Bore 5 8mm Belt Width 6mm Synchronous Wheel Aluminum Gear 3D Printer Parts Wholesale. Buy Directly From Merchant Shenzhen 3DSWAY Technology Co., Ltd.. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.