• Safety pressure bypass valve with manual override
• Lightweight, durable aluminum on/off knob
• 1/8 in. NPT (F) for air tank gauge
• 1/2 in. NPT (M) to air tank
• 1/4 in. NPT (F) to air hose
• 90 to 125 PSI preset bypass
• Compatible with Performance Tool W10005, and W10011
(California Prop 65)