Cheap And Discounts S1 Spirit Heating Block Kit Hotend 24V 40W for Ender-3 S1 CR-10 Smart Pro 3D Printer with Sprite Extruder B Wholesale. Buy Directly From Merchant Manual Tools Dropshipping Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.