Unit is a Daniels WA22p crimp tool pneumatic.

From the manufacturer:
-Pneumatic tools are designed with up to 8 die closures, changeable to a selector knob. The tool also has a full cycle ratcheting control mechanism.
-Either the hand operated valve or the air foot valve may be used. The working pressure of the tool is 80-120 p.s.i. It is recommended that each tool be set up with a regulator and a filter (WA27RF).
Unit has been tested and is in good working order.