New 1/2" metal chuck for increased durability and 25% more grip force than previous generation
New two-speed gearbox
High strength metal collar enhances durability and protects tool when dropped on the chuck
Unibody powertrain maintains alignment between clutch, gearbox and motor for the most durable drivetrain system on the market
DuraShield housing constructed to withstand real world conditions
Externally changeable brushes can be replaced in as little as 2 minutesOperates at 0-400 RPM and 0-1,800 RPM
600 in-lbs. TorqueTwo BAT181 2.4A-h Batteries
BC130 30-Minute Single Bay Charger
Magnetic Bit Holder
Phillips Drive Bit
Side Handle
Carrying CaseReplaces 3850K, 3860K, 33618, 33618-2G