Supersedes the DS5525-18VSenco Duraspin DS522-18V 55mm Heavy Duty Drywall Screwdriver Inc 2x 3.0Ah Batteries, Charger & Carry Case Powered by an efficient brushless motor, this high torque, heavy duty Senco Duraspin DS522-18V auto-feed screwdriver includes two extended life 3.0 Ah 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. Offers a higher torque than the DS525-18V model. 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 APPLICATIONS Drywall (to wood or steel studs) Cement board Underlayment Sheating to steel Metal framing Structural steel decking Rigid foam insulation SPECIFICATION Article Number: 10B7001N Tool Type: DS522-18V Fastener Type: Collated Screws Includes Case: Yes Tool Dimensions (LxWxH): 372 x 86 x 243mm Fastener Length: 25-55 mm Voltage (ac): 230v Frequency: 50 Hz Rotations Per Minute: 2500 rpm Battery Type: Li-Ion Battery Voltage: 18v Torque: 8 Nm Bit Length: 174mm Screw Diameter: 3.5-5.5mm Net Weight: 2.48kg SOUND & VIBRATION Sound Pressure Level (Lpa): 63.50 dB Sound Power Level (Lwa): 74.50 dB Vibration Level: 1.1 m/s2