Velcro Abrasive Discs Velcro Abrasive DiscsArt.no.860.000Aluminium oxide,resin over resin binder,semi-opencoatd,C-D-E paper backing.Uses:ideal for smoothing with electric tools forraw wood,paint on wood and metal.Discs:Dia.115mm,Dia.125mm,Dia.150mm,Dia.180mmDelta sheets:94mm,105mmStripes:93x230mm,115x280mmGrits:40-60-80-100-120-160-200-240-300-360-400