uxcell 9/25" 9mm Inside Diameter Hose Barb Air Coupler Tube Fitting Adapter Product Name : Quick Coupler;Fit Hose Inner Diameter : 9mm/ 9/25" Overall Size : 103 x 25mm/ 4" x 0.9"(L*D);Color : Silver Tone Material : Metal Weight : 91g Package : 1 x Quick Coupler Set