The dcf620d2k collated drywall screwdriver features a powerful 4400rpm brushless motor drives screws efficiently and effectively offering maximum runtime whilst the tool free depth control and fine depth control allows for simple but effective setting the dewalt dcf620d2k drywall screwdriver has a collated screw magazine which rotates on the tool without removal to allow it to be used in corners with the minimum of fuss ergonomically designed rubber grip gives you excellent user comfort whils