Model Number:1PCS Upgrade All Metal Bimetal Heatbreak Copper Titanium TC4 ThroatItem Type:throat Origin:Mainland China Features: This Heatbtreak is made from two components, Copper and Titanium TC4. Titanium TC4 reduces heat upward conduction at the heating position, and copper for heat dissipation to accelerate heat conduction. This Heatbtreak M6 2.0 mm for 1.75mm filament, Which is used for 1.75mm V6 Hotend Heater Block. The bimetal heatbreak total length is 27.5mm, Suitable for Creality 3D Printer Upgrade CR10 S4 S5 Ender 3 V2 Ender3 pro Ender 5 CS3 Hotend. The inner wall of the titanium is very smooth so that the filament can pass through and reduce clogging. It is named "Bi-Metal Heatbreak" It has two components with different thermal conductivity. It is composed of 2 parts. We use a special process to hold them firmly together. You don't need to worry about it being damaged. Specification: Filament: 1.75mm Filament(Not include) Threaded: M6 Feature: Upgraded Full metal Hotend Heat-Break Package included: 1pcs Bi-Metal Heatbreak for 1.75mm filament 1. Key away from Fire 2. Due to includeing small parts, please keep away from Children under Three. 3. Please leave 5 star feedback if you're satisfied with our products and service, we will appreciate it 4. If the products you received was damaged or any more question, please feel free to contact us.