Lug Nut Impact Wrench

impact wrench
A power tool used to tighten nuts or bolts.
A wrench, usually powered by electricity or air, in which repeated blows from little hammers are used to generate torque to tighten fasteners. The torque applied to the fastener depends upon the time and the air pressure applied to the tool (for pneumatic wrenches).
An impact wrench (also known as an impactor, air wrench, air gun, rattle gun, torque gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it suddenly to the output shaft.

lug nut
(Lug nuts) Large nuts applied with a high-pressure air wrench to wheel during a pit stop to secure the tires in place. All NASCAR cars use five lug nuts on each wheel, and penalties are assessed it a team fails to put all five on during a pit stop.
A lug nut is a fastener, specifically a nut, used to secure a wheel on a vehicle. Typically, lug nuts are found on automobiles, trucks (lorries), and other large vehicles utilizing rubber tires.
A large rounded nut that fits over a heavy bolt, used esp. to attach the wheel of a vehicle to its axle
(Lug nuts) Lug nuts attach a car's wheel to its hub. Also known as wheel nuts.