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.Copper and Titanium TC4 Bi-Metal Heatbreak has High temperature resistant up to 500C degree, inner wall reduce clogging.It is "Bi-Metal Heatbreak" It has two components with different thermal conductivity.It is composed of 2 parts.We use a process to hold firmly .You 't need to worry about it being damaged.part is OD6mm, Compatible with for S, for pro and Vyper 3D Printer.Colour: colorMaterial: MetalPackage Contents:1 * Upgrade Bi-metal heatbreakOnly the above package content, other products are not included.Note:Light and different displays may cause the color of the item in the a little different from the real thing.The measurement allowed error is +/- 1-3cm.