Senco DS522-18V UK Duraspin Auto-Feed Screwdriver has a precise depth of drive adjustment with depth lock  The Senco DS522-18V UK is powered by an efficient brushless motor. This high torque auto-feed screwdriver includes two extended life 3.0Ah batteries, a variable speed selector for heavy steel and a quick release feed system with our patented corner fit technology. The DS522-18V also features feed on return - the next screw is aligned with the bit for better line of sight and easier, more accurate screw placement. Suited to the following applications: Drywall (to wood or steel studs), Cement board, Underlayment, Sheathing to steel, Metal framing, Structural steel decking, Rigid foam insulation. Features: Patented corner-fit feed system  Detachable feed system to expose bit for quick reversing  Selectable 2500/1600 RPM high torque brushless motor  Precise depth of drive adjustment with depth lock  Quick slide button bit change  Variable speed trigger with lock and reverse Comes With: 2 x Drive Bits 2 x 3.0Ah Batteries Charger Carry Case Specification: Length: 372 mm Width: 86 mm Height: 243 mm Magazine capacity: 50 pieces Voltage: 240V Frequency: 50 Hz Electrical plug type: UK Rotations per minute: 2500 RPM Battery type: Li-Ion Battery voltage: 18V Battery ampere rating: 3Ah Battery power: 54 W Recharge time 80%: 15 minutes Recharge time 100%: 45 minutes Shots per charge: 2000 Number of batteries in kit: 2 pieces Bit length: 174 mm Torque: 8 Nm Fastener type: Collated Screws Fastener length: 25-55 mm Screw diameter: 3.5-5.5 mm