The Makita 4,000 RPM Drywall Screwdriver (model FS4200) delivers speed, power and ergonomics for drywall applications. It is ideal for driving drywall screws into steel studs. 6 AMP Motor Delivers 4,000 RPM The FS4200 is powered by a 6 AMP motor that delivers 0-4,000 RPM and includes a large variable speed trigger with lock-on button for continuous use. The adjustable depth locator assembly with Makita’s Sure-Lock™ feature is engineered for consistent screw depth. Comfort and Ease-of-Use Features The FS4200 has an ergonomic grip for increased comfort, and a cast aluminum gear housing for less weight (only 3.0 lbs.) and increased durability. Other features include a depth locator holder for convenient storage during framing applications, a bit storage on the base of the grip to reduce downtime, and an LED light to illuminate the work surface. Versatile Design for a Range of Applications The FS4200 is engineered for hanging applications. It is ideal for drywall contractors, acoustical contractors, plaster contractors, maintenance, and general contractors seeking a best-in-class drywall screwdriver.