The high-pressure seat extractor for Scubapro MK17 first stage is used to remove and install the HP seat of the Scubapro MK16, MK17, MK11, and Tusa RS460 and  RS790 first stage.
 
To remove the HP insert the stainless steel part from the bottom side of the HP seat and push it out.
When installing the seat after service the soft white acetal part can be used to push the seat in place without damaging it.
 
The Scubapro MK17 combined HP seat tool is precision machined from white acetal and has a stainless steel pin.
 
GTIN: 8720828266304