In a broad sense, an air tool is mainly a tool that uses compressed air to drive a pneumatic motor to output kinetic energy to the outside world. According to its basic working mode, it can be divided into:

1. Rotary type (eccentric movable vane type)

2. Reciprocating (volumetric piston type) general pneumatic tools are mainly composed of power output part, operation form conversion part, intake and exhaust part, operation start and stop control part, tool housing and other main parts. Of course, the operation of pneumatic tools must also have Energy supply part, air filtration and air pressure regulation part, tool accessories, etc.