【Package Contains】: 60 pieces per box, assorted 12 different grits of sandpaper from coarse to fine, 5 sanding discs 40/60/100/120/180/240/320/400/800/1000/1200, to provide you with more choices when needed. 【Scope of Use】: The red sanding pad is suitable for sanding wood, hardwood, putty and filler, paint, plasterboard, Styrofoam, concrete and plastic. 【Size】: 150mm diameter, mixed grit, ideal for all 6" sanding machines. 【Durable and Anti-Static】: Made from of high-quality abrasive alumina, which is ideal for sanding and polishing The hook and loop pads of the grinding wheel can be perfectly attached to the mounting plate, easily exchanged and used wet and dry