The Luspada large drill bit set is a set of 30 different pedicure drill burrs which fit on all Luspada electric nail files. The drill and polisher bits guarantee a smooth treatment of callus removal and nail filing, for both the professional as the client. This drill bit set does not include a set-up piece for sand bands. The Luspada drill bits fit on all ACTIV/JSDA & Saeyang nail files and have a shank width of 2.38 mm.