Contents: Electric drill (main unit) USB cord mandrel x 1, rubber wheel x 1, tapping rod x 1, circular saw x 1, diamond grinding needle x 2, wool polishing wheel x 2, sandpaper circle x 3, twisted drill bit x 3, wheel grinding head x 5, electric drill bit collet x 6 (0.5, 1.0, 2.4), storage box x 1