... 1.Item:steel brake line kits 2.Material:bundy tube 3.Usage:truck/ATV Qingdao Gousong Machinery Parts Co., ... ConstructionQDGY hose numberO.D (inch)(mm) Wall thickness (inch)(mm) Single bundy tubeGSG 0313/16" 4.76mm0.0279 0.71mmSingle bundy ... , brake pipes, fuel lines, transmission oil cooler lines, air conditioning tube, power steering, condenser, compressor, evaporator, etc. Surface plated: Polish ...