This tool is used to correctly assemble the internal parts of your Poseidon Jetstream first stage (model; 3720 and 3790).
 
First, place the high-pressure seat by pressing it into place with the small rod of the toolset.
After this stack, all parts in the right order on top of the other part now slowly slide over the first stage body.
When all is in place turn the body around by also holding the base of the tool where all parts are stacked up, now the tool can be removed.
 
The part is used as a fixture for the following parts:
Valve center with O-rings.
Valve seat with O-ring.
Valve piston.
Spring.
 
The toolset for the Poseidon Jeststream is precision machined from white acetal (POM-C).
 
GTIN: 08720865017747