If you own an Omersub Air Pressure gauge for Pneumatic Spear Guns (SKU: OSBAPMK), and want to use it on a Cressi Spear Gun, than you will need this adapter. Having the proper amount of pressure in the compression chamber of yourspear gun will make the difference between just wounding a fish and actually capturing the fish once shot.
Just thread the adapter to the threaded end of the Omersub Air Pressure Gauge and then you will be able to check the pressure in your Cressi Spear Gun. Adapter is made from marine grade brass. Adapter for Mares/Seac Pneumatic Spear Guns is also available (See SKU: OSBAPAMK for details). Adapter and Gauge are a must item for the serous spear fishermen. Over or under pressurizing of a spear gun can cause damage or cause internal corrosion.
This product has a limited warranty of 24 months.