Makita 1/2″ (12.7 mm) 700 N·m (520 ft.lb) Cordless Impact Wrench (Detent Pin) 18V LXT® Li-Ion [Bare Tool] DTW701Z

Specifications:
Fastening capacities: standard bolt: m10 – m24 (3/8″ – 1″)
High strength bolt (grade 10.9): m10 – m16 (3/8″ – 5/8″)
High strength bolt (grade f10t): m12, m16 (7/16″, 5/8″)
Square drive 12.7 mm (1/2″)
No load speed (rpm): max / hard / mid / soft: 0 – 2,200 / 1,900 / 1,200 / 500
Impacts per minute (ipm): max / hard / mid / soft: 0 – 2,700 / 2,400 / 1,700 / 1,000
Nut-busting torque: 1,000 n·m (740 ft.Lbs.)
Max fastening torque: 700 n·m (520 ft.Lbs.)
Max output: 430 w
Vibration level: impact tightening of fasteners of the maximum capacity of the tool: 19.0 m/s²
Vibration k factor: impact tightening of fasteners of the maximum capacity of the tool: 2.0 m/s²
Sound pressure level: 94 db(a)
Sound power level: 105 db(a)
Noise k factor: 3 db(a)
Dimensions (l x w x h): w/ bl1815n / bl1820b: 170x81x258 mm (6-11/16″x3-3/16″x10″)
W/ bl1830b / bl1840b / bl1850b / bl1860b: 170x81x276 mm (6-11/16″x3-3/16″x10-7/8″)
Net weight: 2.3 – 2.7 kg (5.1 – 6.0 lbs.)