uxcell 4Pcs 1/4PT Female Thread to 8mm Pipe Pneumatic Air Quick Coupler Joint Product Name : Quick Fitting;Model : PCF8-02 Female Thread Dia. : 11mm/ 1/4PT;Push in PipeDia(Blue End) : 8mm/ 0.31" Total Size : 29 x 17mm/ 1.1" x 0.65" (L*Max.D);Main Material : Metal, Plastic Color : Brass Tone, Blue;Weight : 81g Package Content : 4 x Quick Fittings