PAGOW 2 Pack Proportioning Valve Bleeder Tool, PV2 1.55×0.7×0.7 inches, 2PCS

Proportioning Valve Bleeder Tool: Help you to lock the low pressure exhaust valve, make braking system bleeding more easy and fast, avoid the valve from tripping. Easy to Operate: Just twist off your brake light warning switch on the valve, then screw this tool into its place easily.