http://professional-power-tool-guide.com/2014/08/mac-20v-impact-wrench-bwp050/ http://www.mactools.co.uk/rate-mac-tools-products/bwp050-kit-12-drive-18v-mac-cordless-impact-wrench-kit So my cruiser was suffering a semi flat so I was up at HQ and dropped into automotive to get a new tire. My buddy Rick, one of the mechanics was demoing a brand spanking new Mac impact gun. He was running it with Dewalt 20v batteries. He also has the DCF889 Dewalt. He hates the Dewalt. He said it's loud and takes a while for it to actually remove the lugs. The Mac blasts em right off. I got to mess around with it and was blows away at the weight, it weighs a ton, and the unbelievable torque.