The Scubapro MK5 internal O-ring tool set makes the job of installing the internal O-Ring effortless, allowing you to position the central dynamic body seal perfectly in a matter of seconds.
 
Anyone who has ever tried to manually seat a new O-ring deep inside the main body of a classic Scubapro MK5 balanced piston first stage knows how frustrating and time-consuming it can be. 
 
Technical Details:
Manufacturer: Scuba Service Tools
SKU: 1000-SST-007
GTIN: 8720828266335