SODIAL(R) 10 Pcs 5mm Male Thread 4mm Push in Joint Air Pneumatic Connector Quick Fitting Item Name : Quick Fitting;Total Size : 22 x 10mm/ 0.9" x 0.4"(L*D) Thread Diameter : 5mm/ 0.19";Fit Tube Outer Dia. (Blue End Inner Dia.) : 4mm/ 0.16" Material : Metal, Plastic;Color : Brass Tone, Blue Weight : 53g Package Content : 10 x Quick Fitting