Description: Material: PTFE . Product detailed size: inner diameter 4mm outer diameter 2mm. Scope of application: 3D printer is mainly used for inner tube installation. It can help the printer slides smoothly, isolate a part of the high temperature at the same time, prevent the printing wire from melting in advance, and the thin tube is mainly used for the insulation of the electronic device at a high temperature. Package Includes: 1 Piece PTFE Tube
