Cheap And Discounts Upgraded Hotend for Artillery Sidewinder X1 X2 Genius and Pro 3D Printer Parts All Metal Nozzle Heating Block Thermistor Kits Wholesale. Buy Directly From Merchant 3D-XYZ Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.