steel-wire burning polishing wheel brush
coarse grit is to deal with woodworking. fine grit is deal with derusting.
grit 4 means wire 0.4mm
grit 3 means wire 0.3mm
grit 2 means wire 0.25mm
grit 1 means wire 0.15mm
if you need coarse or finer grit, pls contact us.
what can it do ?
hole diameter 19mm