High-grade titanium alloy material, , rust-proof, flexible and , easy to use. melts the filament faster and provides excellent thermal insulation for 3D printers. A special fine grinding process holds them together firmly. You don't need to worry about it getting damaged. Features - Color: Silver. - Material: Stainless steel. - Size: 2.19X0.59X0.59cm/0.86X0.23X0.23in. - Made of high-grade wear-resistant stainless steel material, safe and , can be used for a long time. - Adopting precision production, increasing and ensuring stable characteristics and high reliability, it will bring you a wonderful experience. - Heat and , , can withstand wear and damage, excellent and reliable. - The inner wall of the tube is smooth to prevent jamming or clogging when melting the wire. - Beautifully printed parts for building 3D printers or as replacements for old or damaged parts. Package list: 1 x Heat break