[Features] ●A small amount of cutting fluid of 0.1cc or less can be accurately injected to a specific point. ●The standard kit comes with a limit valve. It is convenient for turning air on and off mechanically. ●If you use the auxiliary air intake port at the same time, you can easily perform cutting fluid injection and spray-like injection simply by adjusting the nozzle at the tip. ●Compressed air of 3 to 9 atmospheres is used.