1/2 drive SUPER Duty Air Impact Wrench PT850HV New in Open Box, UNused. Check out my other listings. By purchasing this item, you are agreeing that to these terms. The item "NEW Snap-on 1/2 drive SUPER Duty Air Impact Wrench PT850HV Yellow Open Box" is in sale since Saturday, February 23, 2019. This item is in the category "eBay Motors\Automotive Tools & Supplies\Hand Tools\Wrenches".The seller is "assim2002" and is located in George West, Texas. This item can be shipped worldwide.