Cheap And Discounts trianglelab Swiss CR10 Plated Copper Heat Block For CR10 Hotend cr-10 Hotend for mk8 nozzle DDB Extruder ender3 cr-10s Wholesale. Buy Directly From Merchant Trianglelab. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.