uxcell 9 Pcs 3/8" PT Male Thread 6mm Push In Joint Pneumatic Connector Quick Fittings Item Name : Quick Fittings;Model : JPC6-03 Material : Metal, Plastic;Color : Silver Tone, Black Thread Size : 3/8" PT;Thread Diameter : 16mm Inner Diameter(Black End) : 6mm;Total Size(Each) : 21 x 19mm/ 0.8" x 0.7" (L*W) Weight : 185g;Package Content : 9 x Quick Fittings