cooling tube 1) white zinc,olive green, copper ,PVF ,galfan,PA 2) 4.76*0.7 3) tube assembly , cut-to-length, coil 4) oem cooling fun tube assembly Plating:Yellow Zinc,White Zinc,Copper and PVF. Package:in coils/cut-to-length Application:Hydraulic brake line tubing, brake tubing, brake pipes, fuel lines, transmission oil cooler lines, air conditioning tube, power steering, condenser, compressor, ...