Set 550310 contains ten fine grinding bodies for processing surfaces and edges of tool steels and chrome-nickel steels. The bodies use a mixture of corundum grains AD-AW with a grit size of 100 and a ceramic bond. The shanks have a diameter of 3 mm and a length of 50 mm. The set includes one each of ZY0408, ZY0610, ZY0810, ZY1013, SP0510, SP0810, WR1013, KU04, KU06 and KU08. They are also suitable for fine grinding of hardened tool steels in the manufacture of tools and moulds.