To easily acquire and manage intrinsic information about a tool.

The intrinsic information about the tool input from host devices 158, 164 and 194 are stored in a control board 50A of the pneumatic tool 10A. As the intrinsic information, for example, the customer number, the customer name, the date of purchase, maintenance information and the tool use information are stored. The intrinsic information stored in a storage part of the pneumatic tool 10A is read, for example, by terminal devices 152, 156, 162 and 192 via a communication part. The read intrinsic information is displayed in display parts of the terminal devices 152, 156, 162 and 192, and stored in databases 159, 165 and 195 of the host devices 158, 164 and 194.