The D550 offers the most power per pound of any cordless
drill/driver in its class.
Patent-pending IQv technology provides maximum performance, durability, and
battery life. The D550 can be powered by either the 14.4V lithium-ion (BL144) or
14.4V nickel cadmium (N144) battery. An industrial keyless ratcheting chuck
guarantees industrial grade performance. Ideal for all drilling, boring, fastening,
and screwing applications.
Features:
550 in-lbs ideal stall torque
Less than 4.3 lbs with lithium-ion battery
0-360/1300 rpm
Two speed all metal gear train for the ultimate in power and durability
Engineered composite housing with patent pending metal subframe for
unbreakable strength