Jet 350312 – Booster Grease Control Valve

Heavy duty grease control valve with built-in pressure boost mechanism , Repeated actuation of handle boosts line pressure from 6 , 000 psi up to 10 , 000 psi , Provides continuous flow with handle fully depressed , Extremely useful for unblocking clogged fittings , Complete with 6-Inch rigid extension and 4 jaw heavy duty coupler