HiKOKI 18V Impact Driver with and Case WH18DB(2SC) Battery, Charger,

Tightening capacity: [Machine screws] 4 to 8 mm, [Normal bolts] M5 to M16, [High-strength bolts] M5 to M12 172N・m (1754kgf・cm) No-load rotation speed: 0 to 3100 min-1 (rpm) Number of strokes: 0 to 3400 min-1 (strokes/min) Body dimensions (total length x height x center height): 128 x 240 x 29 mm (with BSL1830 installed) Mass: 1.6kg Storage battery [Model name] BSL1830, [Capacity] 3.0Ah, [Voltage] 18V Charger [Model name] UC18YSL3 (with cooling function) [Charging time] Approximately 20 minutes Work capacity per charge (estimated when using a 3.0 Ah battery): Nageshi screws φ4.0 x 50 mm (no pilot holes in cedar wood): approx. 780 pieces, M8 x 16 machine screws: approx. 3,000 pieces