A Complete Kit for Machine Shop Applications Includes 1 Universal Handle 2 Adapters 2 Deburring Blades 1 Countersink for 12mm/.47" diameter. 1 Countersink for 20mm/1.18" diameter. 4 Cleaner Blades, for sheet metal, small ridges, relieving corners and for narrow slots. Combined in a compact molded case.Fowler