MK8 Stainless Steel M6 All Metal Heat Break | 4.1mm Bore for CR-10, CR-10S, Ender 3, Ender 3 Pro, Ender 3 V2 | 3D Printer Hotend Upgrade

✔️ Eliminates heat creep and filament jams✔️ Improves print consistency at higher temps✔️ Enables use of abrasive and exotic filaments✔️ All-metal construction = longer lifespan✔️ Drop-in upgrade – no modification needed