Impact wrenches that are cordless, with a drive size of 1/4 inches, a drive configuration of straight, a maximum torque of 100 pounds, a bare tool, a voltage of 12.0, and a cordless tool battery of the Li-Ion variety with a brushless motor. Yes, cordless, anvil impact action mechanical, maximum blows per minute of 4,000, maximum no load revolutions per minute of 2,650, Clutch Style Adjustable, Tool Length 5-7/64 In., Tool Weight 1.6 lb., Battery Included No, Battery Capacity 2.0Ah, 4.0Ah