Name: Tube Connector, Push-in Fitting, One touch Fitting, Pneumatic Fitting, Air Push-in Fitting, Pneumatic Piping Connector ... We supply various Tube Connectors (Push-in Fitting, One touch Fitting, Pneumatic Fitting, Air Push-in Fitting, Pneumatic Piping Connector ... is available.1) O.D. of tube:Φ4 / Φ6 / Φ8 / Φ10 / Φ12 / Φ162) Thread type:M5*0.8, R1/8, R1 ...