Screwdriver Kit, Cordless, 1/4 in Hex Drive Size, 600 RPM/ SPEED ADJUSTMENTS: TWO SPEED CURRENT TYPE: DC HANDLE TYPE: BODY GRIP DRIVE NOMINAL SIZE: 0.250 INCHES CHUCK TYPE: SOCKET NO LOAD SPEED IN RPM: 600.0 NOMINAL DRIVE FOR WHICH DESIGNED: STRAIGHT FEATURES PROVIDED: REVERSIBLE VOLTAGE IN VOLTS: 4.0 SPECIAL FEATURES: CORDLESS; 200/400 RPM; 21 POSITION CLUTCH; SWITCH LOCK; 44 IN.-LB MAX TORQUE; 9-1/2 IN. 0/A LG; INCLUDES BATTERY, BATTERY CHARGER