Creality Official Sprite Extruder Heater Block Upgrade Hotend - 300℃ High Temp Pro Heat Block, Bimetal Copper Titanium Heatbreak Plated Copper Nozzle, for Ender-3 S1 / Ender 3 S1 Pro/CR-10 Smart Pro | MerchTrix | MerchTrix AI Storefront