uxcell 10 Pcs 3/8" PT Male Thread 12mm Push In Joint Pneumatic Connector Quick Fittings Item Name : Quick Fittings;Model : JPC12-03 Material : Metal, Plastic;Color : Silver Tone, Black Thread Size : 3/8" PT;Thread Diameter : 16mm Inner Diameter(Black End) : 12mm;Total Size(Each) : 27 x 21mm/ 1.1" x 0.9" (L*W) Weight : 199g;Package Content : 10 x Quick Fittings