... 4',1-1/2". 3,Material:Carbon Steel (Zinc Plat universal air Coupling We are Fuzhou Hongxing Machinery Co., Ltd. in ... double bolt clamp, whipcheck safety cable, washdown gun, etc.Universal Crowfoot Air Hose Couplings (US-Type) are all supplied with Oil-Resistant ... and all with holes for safety locking pins.1,Universal Crowfoot Air Hose Coupling Type Available:EuropeanType,US Type2,Material: Carbon ...