... PK:Roll/Pancake Specifications:Single wall bundy tube for condenser Outer diameter: 4.0mm-10.0mm. Wall thickness: 0.5mm-1.0mm ... ;2)main use:widely used in refrigeration,freezer etc;3)outer diameter:4.00mm,4.76mm,6.00mm,6.35mm,8.00mm ... .7mm, 6.35*0.7mm,6. Type: Zinc coating outer side, Cu coating outer side, Cu coating both sides7. Packing: packed with ...