• Externally accessible carbon brush. • No harm to the wrist when a screw is seated. • Enables to drive screws even without pre-drilling pilot holes. Compact design for perfect handling. Continuous rating Input : 230W Capacity : Machine screw : M4 - M8 (5/32" - 5/16") Standard bolt : M5 - M14 (3/16" - 9/16") High tensile bolt : M5 - M10 (3/16" - 3/8") Coarse thread (in length): 22 - 90mm (7/8" - 3-1/2") Driving shank (Hex) : 6.35mm (1/4") Impacts per minute (ipm) : 0-3,200 No load speed (rpm) : 0-3,600 Max. fastening torque : 100N.m (885in.lbs) Dimensions : 184 x 67 x 192mm (L x W x H) : (7-1/4" x 2-5/8" x 7-9/16") Net weight : 0.99kg (2.2lbs) Power supply cord : 2.5m (8.2ft)