The new DYE Reg tester is the perfect tool for adjusting your Hyper 3 regulator to the optimal pressure setting for your DYE gun. Fits the following Dye/Proto Guns: Dye DM9 Dye DM10 Dye NT Proto Rail 09 Proto Rail 2010 Proto SLG


Features
0-200psi gauge allows precise adjustments for desired pressure.
Easy pressed bleed button allows pressure release while setting your regulator.
High quality, aluminum design.