From the Manufacturer
The DEWALT DW059H 1/2-Inch 18-Volt Cordless Impact Wrench delivers 300 ft-lbs of maximum torque to perform a wide range of heavy-duty fastening applications. It can run up to 1,650 rpm/2,600 ipm for faster application speed. It has a rocker switch design for fast and easy fastening. The Hog Ring Anvil allows the user to easily change sockets. It has a durable magnesium gear case and all metal transmission for extended durability and product life. The heavy-duty impacting mechanism directs torque to the fastener without kickback.
Offering first-rate performance and durability along with exceptional ergonomics, the versatile DEWALT DW059HB 18-Volt, 1/2-Inch cordless impact wrench makes quick work of sticky fasteners and tough fastening applications. The 1/2-Inch-drive impact wrench delivers both rotation (1,650 RPM) and concussive blows (2,600 BPM) directly to the fastener for an impressive 300 pounds of maximum torque. It's powered by DEWALT's 18-Volt cordless batteries (batteries and charger sold separately).