The cordless SIW 18T-A CPC lithium-ion high-torque impact wrench delivers 10% more torque and packs impressive battery performance in a rugged, compact design. The impact mechanism offers maximum efficiency when fastening metal bolts, wood lag bolts, and concrete screw anchors. The tool also includes the SFL 18-A CPCP lithium-ion flashlight for more than 4000 hours of cool white light. Hilti Inc. 800-879-8000.