A visual aid for testing seals, recharge rate, operation pressure, and consistency. Can be used on any low pressure regulator for a, Typhoon, Auto Cocker, Sovereign, or any other marker that may use a Rock. Adjustable bleed valve included to prevent gauge blowout. The Rock-O-Meter can be used to test rams also. See for yourself why Palmer regulators are the best in the industry. (300 psi max) This tool was created to prevent dealers from sending back Rocks that have nothing wrong with them.
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