Features: brand new and high quality Our for titanium alloy throat with better hardness than stainless steel. High quality material, only 1/5 thermal conductivity of steel, so it refuse blocking while printing. Super heat break, can work in higher temperature than steel. Supper smooth inner hole for filament though, better than cheap ones in market. The inner wall of the tube is very smooth so that the filament can pass through and reduce clogging more easily. Specifications: Item Type: Extruder Throat Model Number: Heatbreak H2 TC4 Material: for Titanium Alloy/303 Stainless Steel Filament: 1.75mm Thread Size: M6 Compatible With: BIQU H2 extruder Size:Pls See the Pictures Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1 XHeatbreak Throat