Kemper 5" (12.7 cm) Mini Ribbon tools feature a fine, heat treated ribbon blade set firmly in a knurled aluminum handle The round, flat and pointed blades (in small and large sizes) are used for fine, detailed carving or trimming of leather hard clay. Set of 6 includes Kemper MR1, MR2, MR3, MR4, MR5 & MR6 tools.