Features:C type self locking 2 way quick connect air hose splitter, internal threaded port diameter: 1/ 4" PT.It takes one line of air then splits it into many of them, making pipeline control and use more convenient.Made of premium quality material, high hardness, wear-resistant and rust-proof.Each thread is finely processed, no burrs, smooth and easy to install.Suitable for air pumps, cylinders, compressors, vacuum engines, etc.Specifications:Material: Alumium + Carbon Steel + IronType: SML-2/ SML-3/ SML-4/ SML-5/ PT 1/4'' SMV (Internal Threaded)/ PT 1/4'' SMY (Internal Threaded)/ PT 1/2'' SMY (External Threaded) (Optional)Item Size:SML-2: 64 * 25 * 55mm / 2.5 * 1.0 * 2.2inSML-3: 94 * 25 * 55mm / 3.7 * 1.0 * 2.2inSML-4: 124 * 25 * 55mm / 4.9 * 1.0 * 2.2inSML-5: 154 * 25 * 55mm / 6.1 * 1.0 * 2.2inPT 1/4'' SMV: 67 * 38 * 70mm / 2.6 * 1.5 * 2.8inPT 1/4'' SMY: 62 * 62 * 70mm / 2.4 * 2.4 * 2.8inPT 1/2'' SMY: 62 * 62 * 80mm / 2.4 * 2.4 * 3.1inPackage Size:SML-2: 6.6 * 6.0 * 2.6cm / 2.6 * 2.4 * 1.0inSML-3: 9.5 * 6.0 * 2.8cm / 3.7 * 2.4 * 1.1inSML-4: 12.5 * 6.0 * 2.7cm / 4.9 * 2.4 * 1.1inSML-5: 15.5 * 6.0 * 2.8cm / 6.1 * 2.4 * 1.1inPT 1/4'' SMV: 7.1 * 6.5 * 3.6cm / 2.8 * 2.6 * 1.4inPT 1/4'' SMY: 7.3 * 6.0 * 6.0cm / 2.9 * 2.4 * 2.4inPT 1/2'' SMY: 8.0 * 6.5 * 6.0cm / 3.1 * 2.6 * 2.4inPackage Weight:SML-2: 194g / 6.82ozSML-3: 283g / 9.97ozSML-4: 373g / 13.13ozSML-5: 463g / 1.02lbPT 1/4'' SMV: 189g / 6.66ozPT 1/4'' SMY: 255g / 8.99ozPT 1/2'' SMY: 266g / 9.36ozPackage List:1 * Quick Coupler