Makita 6844 Auto Feed Screwdriver in Carry Case The Makita 6844 Autofeed Screwdriver is built with high torque for driving screws up to 75mm long. It has an ergonomic in-line D-handle design for improved convenience and comfort. Additional features include a lock-on button for continuous operation and increased productivity, and a \"tool-less\" screw depth adjustment for easy depth setting. Includes a belt clip for attaching to belt or holster, Phillips bit and it also comes packed in Makita\'s signature heavy duty carry case. FEATURES “Tool-less” screw depth adjustment for easy depth setting High torque for driving screws up to 75mm long Adjustable stopper base can be set for different screw lengths Ergonomic In-Line D-handle design for driving control Silent clutch for reduced maintenance and quiet operation Belt clip for attaching to belt or holster Rigid aluminum casing provides greater durability Lock-on button for continuous operation and increased productivity Dust proof construction for smooth sliding action while fastening Externally accessible carbon brushes for greater reparability Anti-tilt device prevents screws from swaying while fastening SPECIFICATION Input Wattage: 470 w AMPS: 4.3 Max Dry Wall Screw: 4mm x 75mm  Screw Size Range: 45 to 75 mm No Load Speed: 3,000 rpm Overall Length: 438 mm Net Weight: 2.1 Kg NOISE & VIBRATION Noise Sound Pressure: 85 dB(A) Noise Sound Power: 96 dB(A) Noise K Factor: 3 dB(A) Vibration K Factor: 1.5 m/sec² Vibration No Load: 2.5 m/sec²