Klein's Compact Impact Driver for professional impact fastening and drilling applications offers 210 ft-lbs of max torque to get the job done fast. Engineered and designed by Klein Tools in the USA, the impact function makes this tool particularly useful for driving fasteners in wood, metal and concrete. The variable speed trigger provides better control. Users can change driving bits quickly with the 1/4-Inch quick connect chuck. Powered by 20V lithium-ion DeWALT batteries (sold separately).Features Forward/Reverse/Lock trigger button 210 ft-lbs of max torque for professional impact fastening and drilling Powered by DeWALT 20V lithium-ion batteries (sold separately) Safety lockout switch 1/4-Inch Hex Quick Connect with variable speed brushless motor Engineered and designed by Klein Tools in the USA LED light for better visibility DeWALT is a registered trademark of the Black & Decker corporation Compact design for excellent balance and control in tight spaces or overhead applications Powered by DeWALT 20V Lithium-ion Batteries Warnings Always use approved eye protection. Not insulated. Will not protect against electrical shock. Do not use to pry or chisel. Torque: 210 ft-lb Voltage: 20V Lithium-Ion Speed: 0-2200 RPM variable Impacts per Minute: 0-2200 Drive Size: 1/4 in Hex Quick Connect Weight: 2.2 lbs Overall Dimensions: 8.7" L x 6.5" W x 3.1" H (22.1 cm x 16.5 cm x 8 cm) Material: ABS, PA6, GF, TPE Handle Type: Pistol Grip Motor: Brushless DC Battery Type: Lithium-Ion Type: Battery-Operated Application: Impact Fastening Country of Origin: Designed in USA DownloadsSafety Data SheetVideo DownloadSpec SheetInstructionsBAT20CD_Manual.pdf