200-piece cassette comprising: 10 x sanding belts, 1 x cloth disc, 6 x felt discs, 1 x felt disc tip, 6 x HSS drill bits (2 x 1.6 / 2 x 2.4 / 2 x 3.2), 2 x sanding bits, 9 x diamond cutters, 3 x HSS cutters, 6 x standard corundum grinding discs with shank, 4