... bending -Electric:Schneider -System:NC -Hydraulic Parts:Yuken Japan SB-115NC-6M Pipe Bending MachineFeatures:1: Bend-arm (C- ... : OD: Outside Diameter, WT: Wall Thickness.Tooling accessory: Former Die,Pressure Die,Clamp Die,Wiper Die(Optional),Ball Mandrel ... so the customer should send us the following tube's specification details:Tube's material and Outside Diameter,Wall Thickness, ...