See More Detail :
https://www.amazon.co.jp/dp/B0B3WSWP4D
Specifications:
Voltage: 20V Max
3-Speed: 0-1500/2500/3250 RPM
Impact Frequency: 0-2100/3500/4550 IPM
Chuck Size: 1/2" (13mm)
Chuck Type: Square Head
Max Torque: 350Nm (3100in-lbs)
Battery Capacity:3000mAh
Charging Time: About 1 hours
Net Weight:3lbs
