Bosch 18-Volt 1/4-in; 1/2-in Cordless Impact Driver (2-Batteries) at Lowes.com
Amazon.com: Bosch Power Tools Drill Driver Kit DDB181-02 - 18V Cordless Drill/Driver Tool Set with 2 Lithium Ion Batteries, 18 Volt Charger, & Soft Carry Contractor Bag : Tools & Home Improvement