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.
Two tools for the price of one. With this tool you can remove or assemble the HP seat in Mares diaphragm first stage body’s (MR22 and MR12) because of the soft material you will not scratch or damage the metal parts of the first stage.
With the other end of the tool you can easily remove the HP seat.