9TORC crowfoot wrench is a special wrench that is used  when you need to work around obstacles. Unlike socket wrenches, this wrench fits on a nut or bolt's side like a box wrench. A crowfoot wrench looks like a box wrench head, and it may be attached to a torque wrench for better performance. Crowfoot torque wrench enables you to reach inaccessible bolts and nuts that sockets alone can't reach, For those fasteners in odd places, there's the crowfoot to loosen bolt, coming in sizes ranging from 3/8 to 1.Great for Automotive & Motorcycle work, or for the Aircraft Mechanic, or even as a Plumber Wrench for Plumbers. Heavy Construction yet slim enough for tightest areas.