Product name: CR6 SE titanium alloy copper hoseThread size: M6Size: about 30mm longThis Heatbtreak consists of two components, copper and titanium TC4. The Titanium TC4 reduces heat conduction upwards at the heating position, and copper for heat dissipation to accelerate heat conduction.The TC4 Bi-Metal Heatbreak made of copper and titanium alloy has a high temperature resistance of up to 500°C and a smooth inner wall that prevents clogging.colour: copper colorMaterial: Titanium Alloy + CopperPackage Contents:5 x Heat Break ThroatOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.