Dan White

The cordless SIW 18T-A CPC lithium ion high torque impact wrench from Hilti delivers 10 percent more torque than its predecessor. The tool is suitable for fastening metal bolts, wood lag bolts and concrete screw anchors. Special technology ensures each battery cell is monitored to prevent deep discharge, overcharging and overheating.

(800) 879-8000; www.us.hilti.com