The KATANA 18V Charge-All 1 piece Impact wrench combo kit is perfect for anyone requiring a little extra oomph to get the job done.The KATANA 18V 1/2″ Impact Wrench is your solution for fastening needs around the home or garden. This impact wrench will house any 1/2″ drive impact socket and provide the torque you need, whether you’re inserting coach screws for your new retaining wall, changing the wheels on your car or anything in-between. With a variable speed trigger delivering up to 400Nm of torque at 2700 impacts per minute, this impact wrench has more than enough grunt for any DIY task.