Sonar Valve Hand-wheel/Knob Spring Retaining Nut

The Sonar Valve Hand-wheel/Knob Spring Retaining Nut is used to keep the scuba cylinder valve hand-wheel knob attached to the valve stem. In doing so it also keeps the hand-wheel spring in place.

• Durable marine grade chromed brass construction

The Trident Tank Valve Knob Tool is used to remove and replace the Sonar Valve Knob Spring Retaining Nut.

Lost a spring? Then you need some Sonar Valve Hand-wheel/Knob Springs.