vitrified grinding wheel, cutting disc, resinoid grinding wheel for metal , stone , glass, ceramic , aluminium, stainless steel, vitrified wheels ... for special application.resinoid wheels and cutting disc for all regular and irregular size, 75 to 405mm diameter. thickness from 0.8 ... , they are for all kinds of metal or non-metal process.super thin cutting disc for needle, available size 180x0.5 to ...