Teflon Tube - outside diameter 4mm, inside diameter 2mm; density 2.15-2.20g/cm3; it made of premium PTFE (Poly Tetra Fluoro Ethylene) material, safety and non-toxic, heat resistant up to 260℃
PC4-M6 fittings - thread M6/3mm, inner diameter(blue end) 4mm, fit for the tube whose outer diameter is 4mm
PC4-M10 fittings - thread M10/6mm, inner diameter(black end) 4mm, fit for the tube whose outer diameter is 4mm
Compatibility: compatible with all 1.75mm PLA ABS 3D printer
Attention - small 3D printer accessories, please keep away from children