Cheap And Discounts Z-CNC PU Open Timing Belt HTD3M Width 6 10 12 15 20 25 30mm Drag Transmission for Machine Motion System 3M Polyurethane Wholesale. Buy Directly From Merchant Z-CNC Global Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.