10Pcs Pneumatic Fitting 4mm Hose OD M4 Male Thread Tube Straight Connector 

• Model:PC4-M4
• Material:  Nickel Plated Brass
• Tube Outer Diameter : 4mm,  M4 Thread Male Straight Pneumatic Air In Fitting
• Fit For Tube Material:PU Pipe OD:4mm,ID:2.5mm
• Temperature: 0 to 60°C
• Fluid Type: Air / Vacuum
• Pressure: 0~1 (Mpa) Max
• Package included: 10Pcs x PC4-M4  Pneumatic Connector