Are you looking for a professional and practical air hose connector? , ! Our air hose connector must meet your needs. This straight coupling is made of ABS and copper material, and sturdy for use. Fine workmanship practicality and durability. Features -Color:Multi -Material:ABS,copper -Size(PH4-01):3.00X2.20X1.40cm/1.18X0.86X0.55in -Size(PH4-02):3.30X2.70X1.80cm/1.30X1.06X0.71in -Size( -M5 ):2.60X1.90X1.30cm/1.02X0.75X0.51in -Size( -01 ):2.90X2.10X1.40cm/1.14X0.83X0.55in -Size( -02 ):3.30X2.70X1.80cm/1.30X1.06X0.71in -Size( -03 ):3.70X2.90X2.00cm/1.45X1.14X0.79in -Size( -04):4.20X3.30X2.50cm/1.65X1.30X0.98in - Easy to disconnect and connect, will not have air leakage when changing tools. - Widely compatible for air compressor, air blow, air tool, air hose, pressure washer, and etc. - Quick release design, can be used in interchangeable and general purpose application air tool. - Ensuring tight connection and preventing gas leakage. Widely applicable in mechanical engineer and other related fields. - Stable characteristics, high performance and in great reliability, simple, easy to install. Package list: 7 x air hose fittings