ITEM NAME:4 Pieces Teflon Tube Ptfe Blue Tubing (1.5M) with 4 Pieces Pc4-M6 Quick Fit N6W6 4 Pieces Teflon Tube Ptfe Blue Tubing (1.5M) with 4 Pieces Pc4-M6 Quick Fit N6W6 PTFE Teflon Tubing:Outside diameter 4mm, inside diameter 2mm; density 2.15-2.20g/cm3;Teflon tubes are made of premium PTFE material, unique self-lubricity, surface non-viscosity, safe to use and wear resisting.Heat resistant up to 260 °. PC4-M6 Fittings:thread M6, inner diameter(blue end) 4mm, suitable for the tube whose outer diameter is 4mm.PC4-M6 fittings are made of copper and plastic.Heavy duty and durable. PC4-M10 Fittings:thread M10, inner diameter(black end) 4mm, suitable for the tube whose outer diameter is 4mm.PC4-M10 fittings are made of stainless steel and plastic.High hardness and Anti-corrosion. Easy to install and Quick to fix: Press and hold the blue or black part of the quick fitting and pull out the tube.Provide turn 360 °freely and Convenient to disassemble . Applicability and Compatibility:Fit for all 1.75mm PLA ABS 3D printer securely with no burrs. PTFE Teflon Tube: Temperature Range: -190℃ ~ 260℃ Length: 1.5m NOTE:Please keep away from children. Color: blue Material: Metal, plastic Package Contents: 4 * 1.5M PTFE Teflon Tube(2.0mm ID/4.0mm OD) 4 * PC4-M6 Fittings 4 * PC4-M10 Fittings