Description Are you looking for a professional and practical air hose connector? If yes, look no further! Our air hose connector must meet your needs. This straight coupling is made of ABS and copper material, durable and sturdy for long-lasting use. Fine workmanship practicality and durability. Features -Color:As Shown -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. 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.