The metabo 23 powermaxx combo set contains the following 1 x 108 volt power maxx bs quick drill screwdriver has a two stage gear box delivering up to 34nm of hard toque and a maximum speed of 1400rpm the removable 10mm chuck will allow you to drill up to an impressive 22mm in soft wood the batteries come equipped with metabos electronic single cell protection system overload protection and overheat motor shut off no load speed 0 3600 1400min max torque soft hard 1734nm capacity wood 22mm steel