Cheap And Discounts 3D Printer Z Axis Trapezoid Motor Screw Nuts T8 Nut POM Nut Lead 8mm Pitch 2mm For CR10 CR-10S Ender-3 Lead Screw Wholesale. Buy Directly From Merchant 3D-Future Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.