Snap On Electric Impact Wrench

impact wrench
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.
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).

electric
using or providing or producing or transmitting or operated by electricity; "electric current"; "electric wiring"; "electrical appliances"; "an electrical storm"
An electric train or other vehicle
a car that is powered by electricity
(of a situation) exceptionally tense; "an atmosphere electric with suspicion"

snap on
Snap-on is a leading U.S. designer, manufacturer and marketer of tools and equipment to professional tool users. It was founded in 1920. Snap-on is located in Kenosha, Wisconsin, and employs approximately 11,500 people worldwide. The company is currently worth 2.
Denoting a cover or attachment that is attached or secured with a snap
Used to describe the easy removal of assembly of one part to another. A connector containing socket contacts into which a plug connector having male contacts is inserted.
Before a team can throw (at the start of a game, after a break in play, etc) the throwing team or the 'judge', if you are using one, must indicate that the game is on by saying 'Snap-on'.