With 1/4" square drive (6.3mm)
(for tightening torques up to 25Nm):
Screwdriver bits for Allen screws sizes 2 - 6mm and screwdriver bits TX8 - TX40 (with frontal hole) as well as external TORX E4 to E10. 

With 1/2" square drive (12.5mm)
(for tightening torques from 25 - 210Nm): 
Screwdriver bits for Allen screws sizes 7 - 14mm (short version, 55mm) and sizes 6 - 12mm (long version, 100mm), for TORX screws sizes 45 - 60 (short version) and for external TORX sizes E12 to E20. Includes 5 angled Allen keys in 1.25 - 1.5 - 2.0 - 2.5 and 3.0mm. 

See photo for full contents. Comes in compact and solid plastic case - composition and design copyright by PROXXON.