uxcell 7 Pcs Air Pneumatic 6mm to 4mm Straight Push in Connectors Quick Fittings Product Name : Quick Fitting;Model : JPG6-4 Design : Straight, 2 Ways;Connector Type : 6mm to 4mm Material : Plastic;Size (Approx) : 34 x 13mm / 1.3" x 0.5" (L*D) Color : Black;Weight : 37g Package Content : 7 x Pneumatic Quick Fitting