• Compatible with all 1.75 mm E3D V6 Makerbot 3D printers • Made of high-quality stainless steel, durable and with stable performance • Anti-rust, corrosion protection, and improved inner texture to reduce extrusion force • Connector between the heat sink and the heating block with Teflon tubes to withstand up to 250 °C • Tube: 22.5 x 6 mm; outer diameter: 6 mm; inner diameter: 4 mm; Teflon tube inner diameter: 2 mm • Perfect replacement for the RepRap 3D printer Hot End Heatbreak Throat • Type: V6 Teflon tube • Material: stainless steel • Filament diameter: 1.75 mm • Total length: 22.5 mm • High resistance to temperature and discoloration • Effectively prevents heat transfer and material swelling, preventing clogs • Clean and smooth surface that fits coupling accessories to prevent material leaks • Durable and stable performance • Keep out of reach of children • Package includes 6 Throat V6 tubes