... single wall and double wall(Bundy Pipe). The products conform to ASTM A-254-91, A-512-91A and ASTM A214 ... and A513 in material and quality. Commonly sizes we supply to the client include 4.76mm×0.7 mm,6.35 ... Zinc,White Zinc,Copper and PVE. Package:in coils/cut-to-length Application:Hydraulic brake line tubing, brake tubing, brake pipes, fuel lines, transmission ...