The Mechanics M565C 10-Piece Mounted Stone Set for Die Grinder includes five 1/8-inch shank and five 1/4-inch shank mounted stones in assorted sizes. Features: * For use with M566DB, M567DB, and M656 die grinders * Includes five 1/4-inch shank and five 1/8-inch shank mounted stones in assorted sizes What"s In The Box: * Mechanics M565C 10-Piece Mounted Stone Set for Die Grinder