the first step is the angle grinder for remove the factory joints and other lines,this is good for more easy sandpaper work and future cleaners works.
the second step is the lime,for remove the angle grinder lines.
the step three is sand paper 80 for remove the lime line and the pores of the alloy, next 120,next 500,next 1500
the step four is the kit coment for greek or other similars kit
the step four (optional) is plating in chrome ( first is necessary plating in copper) for long time result and mory shiny look.
at the moment im crome the steel and polish the alloy,but in the future all is in crome for long time result