Grease gun

A grease gun is a common workshop and garage tool used for lubrication.

The channels behind the grease nipple lead to where the lubrication is needed.

The close fitting of the apertures ensures that lubricant is applied only where needed.

There are four types of grease gun: The grease gun is charged or loaded with any of the various types of lubricants, but usually a thicker heavier type of grease is used.

It was a close resemblance to contemporary hand-powered grease guns that gave the nickname to the World War II-era M3 submachine gun.