Battery: 20VMAX/4.0Ah Max. Power Output: 400W Standard Bolt Size: M12-M18 Square Drive Size: 12.7mm(1/2") No-load Speed Low 0-2000/min High0-2400/min Impact Frequency                                  Low 0-2900 /min High0-3200 /min Torque Setting Low 300N.m High 358N.m Nut-Busting Torque: 500N.m Net Weight1.7kg

Features

1. Brushless motor: delivers to 358N.m fastening torque; 2. 2-mode control:providing excellent control over output speed/torque 

    for different working conditions; 3. Smart-loosen mode: preventing nuts drop down accidently. 4. 129mm Compact body: perfect control in narrow spaces.

Accessories & Package Socket, Belt Cilp, Plastic Case Packing