... : radial polishing spec: diameter is16.8 ,25.8 ,60 ,76 ,85 to120 code number: DLL-16 material stainless steel 304,316 ... radial polishing spec: diameter is16.8 ,25.8 ,60 ,76 ,85 ,98 ,102 ,104, 105, 120 connection welding technics casting package ...