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:4.00X2.20X1.20cm/1.57X0.86X0.47in -Size( -M5):3.90X2.60X1.30cm/1.53X1.02X0.51in -Size( -02 ):4.10X2.60X1.30cm/1.61X1.02X0.51in -Size( -02 ):4.60X3.10X1.50cm/1.81X1.22X0.59in -Size( -03 ):4.60X3.00X1.60cm/1.81X1.18X0.63in -Size( -01):5.10X3.80X1.90cm/2.00X1.49X0.75in -Size( -04 ):5.40X3.90X2.30cm/2.12X1.53X0.90in -Size( -04):5.80X4.40X2.30cm/2.28X1.73X0.90in - 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: 16 x air hose fittings