Aluminium casting feed frame Type: 504A Roll diameter:40mm V type,1.0/1.2mm CE,Rohs,ISO9001:2000 Name:Aluminium casting feed ... frameType:504A-BV1.0/1.2 casting feed frame ... "P"504 is the code for wire feed frame we have 21,401,402,404,501,502,504 ... ,"B"means the roll diameter is ø40V is the type of roll ,we have V,U,K,Three types,"V ...