uxcell 5 Pcs Straight 2 Ways Coupler Quick Joint Push in Fittings for 12mm Tube Product Name : Quick Fitting;Design : Straight, 2 Ways Connector Type : 12mm to 12mm;Material : Plastic Size (Approx) : 48 x 20mm / 1.9" x 0.78" (L*D);Color : Black, Blue Weight : 57g Package Content : 5 x Pneumatic Quick Fitting