Makita makes a 1/2" cordless impact driver. It's a beast!

http://www.amazon.com/Makita-BTW450-18-Volt-Lithium-Ion-Cordless/dp/B0014Z0MUI/ref=sr_1_5?ie=UTF8&qid=1353633467&sr=8-5&keywords=makita+1%2F2+impact


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Clark Bremer
Minneapolis
Proud Member of the TFG