From the manufacturer's website:

The Drill is a well known and valuable tool for the converter and modeler. Drill holes in metal, resin and plastic miniatures with the drill bits provided.

- USE FOR PLASTIC, RESIN AND METAL MINIATURES

- INCLUDES 3 DRILL BITS: 1.0, 1.4 & 1.8 mm

- DRILL HEAD FITS UP TO 3MM DRILL BIT