20V Cordless Impact Wrench (Touch) 

Hex-drive chuck : 1/2'' Square / 3/8'' Square 
No-load speed (rpm) : 0-1000/0-1400/0-2500
Impacts per minute (bpm) : 0-2000/0-2800/0-3300
Max.torque (N-m) : 250
Battery voltage : 20V / 2.0Ah Li-ion 
Weight (kg) : 1.06 (without battery)