... Plumbing, Heat Exchangers,Oil. Copper Tubes: Copper Pancake Coil, Copper Straight Pipe, Copper Capillary tube, Copper LWC Coil.1. Copper Pancake Coil: Outside Diameter: ... : SoftPackage: 3-20 Rolls/ Carton Box2. Copper Straight Pipe Outside Diameter: 1/4:-4 1/8"Temper: Hard, Half Hard, SoftPackage ... : 2-20 PCS/Bundles, Then put into Iron Frame.3. Copper ...