The dewalt dcf620n drywall screwdriver provides efficient fitting of drywall with the powerful 4400rpm brushless motor which drives screws efficiently and effectively offering maximum runtime led worklight offers valuable light when working in small spaces or areas with limited light dewalts39s dcf620n drywall screwdriver features a quotset and forgetquot design which remembers your fine depth adjustment setting when removing and replacing the nose cone whilst the trigger lock on lets