Used to insert O-ring into the main body of
a Scubapro MK10 first stage.
With this tools the job is done in a matter of seconds.
Place 2 of the parts of this tool set on the top and
bottom of the first stage body and push the O-ring
into its place with the small rod of the tool set.
Some Scubapro first stages use a bushing arrangement to help the movement of the piston during diving.Installing these bushing rings and the small O-ringin-between them is made easy when you use this bushing tool.