The Mighty-Seven Mini Air Die Grinder, No. QA-651N, features an ergonomic handle with an injected composite grip and a one-hand switch for easy operation. The set comes with one air die grinder, a 3mm (1/8”) collet, 10 grinding stones (including five 3mm and five 6mm grinding stones), a 1/4” plug, a 2-pc spanner wrench set and an oil box for air tool maintenance. The entire set comes in a heavy duty carrying case for organization and protection.