Internal diameter (refers to blue tip): 4 mm. Specifications: Color: Golden+blue Material : Copper, Plastic Thread Diameter: 6mm Inner Diameter(Blue End): 4mm Net Weight: 58g Specifications: Thread Size: M5 Inner Diameter: 4mm Material: Nickel Plated Brass Release Method: Elliptical John Guest Fitting Package Includes: 1 x PC4-M5 Pneumatic Push in Bowden Extruder for 4mm tube J-Head fitting. 4mm Ptfe Tubing PC4-5 20Pcs Air Pipe Pneuatic Connector Fittings, Quick Ale Thread Straight Push In Connector... 4 Color 3d Printer Sufficient quantity can meet your needs and replacement in connecting printers. Suitable for the tube whose outer diameter is 4mm. Package Contents: You will receive 20pcs PC4-M6 straight pneumatic connectors, packed in a plastic case, easy to store. Deze likeur die de smaak én kleur heeft van drop, werd in 1996 ontwikkeld door De Kuyper. Deze likeur is zoals de naam al doet denken, geschikt om als shot te drinken Extruder gasket helps prevent leaks. You can use them with confidence., Color: brass, blue. Due to the difference between different monitors, there may be a slight color difference existed. PC4-M6 Compact Fittings Pneumatic Quick Coupler Mini PC Tube Fitting Air Fittings - PC Mini... Package Content: You will receive 20pcs PC4-M6 straight pneumatic connectors, packed in a plastic case, easy to store. Enough quantity can meet your needs and replacement in connecting printers