Features Usage : Forming of Copper Inside Grooved Tube for increase of heat transfer cofficient Size range : 5 ~ 15.88mmOD x 0.25 ~ 0.85mmWT x Coil Operating Speed : 10 ~ 80 mpm Type of machine : Vertical Spinner Block Type, Horizontal Spinner Block type, Vee-Groove Type. According to customer's request or needs can supply any type of forming machines.