21V Lithium Brushless Rotary, Hammer
With KW-A7520, KW-MT1840 & KW-CA2118, Keywin
Voltage: 21V (with one 4.0Ah battery pack and charger)
No load speed:0-1400rpm
Impact rates:0-4500ipm
Drilling diameter for concrete:26mm
Impact energy :0-2.6J
Optimum Drilling Range:6-25mm
Aux-handle
NSK Bearing
Brushless Motor （No need for motor carbon brush maintenance )
