A20 series ARK20129 20V Li-ion BRUSHLESS 2-Speed Hammer Drill, Acdelco, Mfr#: ARK20129

ACDelco A20 BRUSHLESS 20V Li-ion 2-Speed cordless Hammer Drill Kit, max. 500 in-lbs, 2 Battery Packs, ARK20129
A20 Brushless Compact Series Tools are designed with power and compact size in heart. The family includes drill driver, impact wrenches, impact drivers, and polisher/sander all share a common slim but powerful 20V max. battery platform. The versatility of A20 series makes it the best choice for the work!
Brushless Motor (BLDC) is advanced motor technologies which integrates electronics control board and servo system in the motor assembly and replaced mechanical commutator contact (";brush") used in traditional brushed motor design. The brushless motor provides many advantages;
* High power-to-weight ratio and precise torque control
* High energy efficiency - 50% longer running time and longer life span
* Eliminating carbon brush/commutator worn out and replacement hassle
* Eliminating sparking and overheat problem
FEATURES
* Powerful Brushless Motor: max 500 in-lbs torque, long running time & life cycle
* 2-Speed gearbox for optimium RPM applications
* 18 torque settings + drill mode + hammer drill mode
* Variable Speed Trigger (0-600 / 0-2,000 RPM) with reversible control and electric brake switch
* Built-in LED light & battery indicator
SPECIFICATIONS
* Voltage: 20VDC
* Chuck Capacity: 1/2"
* Max Torque: 500 in-lbs
* No Load Speed: 0-600 / 0-2,000 RPM
* Blows per Minute: 21,000 BPM
* Tool Weight: 3.03 lbs