Do you want to de-rust metal, remove old layers of varnish or smooth coarse wood? With the SBS serrated washers, this is no problem. The synthetic resin bonded discs with a diameter of 115 mm have a high professional quality including a long service life and removal performance and are suitable for all standard cutting grinders and angle grinders. They are particularly aggressive in grinding and are perfect for working on surfaces or for edge grinding of stainless steel, tough coloured metals, cast iron and steel.