When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I have had two different Snap On Impact Wrenches. One was an early 12V and the latest is the 18V version. Both are great with the 12v still working today. Both lasted a full weekend at the track without a recharge but the 18V still has more juice to go at the end.