Made of solid Zinc Alloy. Strong and durable, hardly break. Great replachement for plastic sup pump valve adpator.
Hose connection nozzle for Tuomico electric sup pump, replacement HR valve adaptor - compatible with most electric sup pump which comes with inner threaded hose connection parts
3 rubber 0-rings (washers) of different thickness,0.24IN(6MM), 0.21IN(5MM),0.13IN(3MM) are included.Please kindly find the right 0-ring to fit your inflatables' valves better.
Fits snugly with Halkey-Roberts valves of inflatable stand up paddleboard blow up kayak
It's 0.8 inch in diameter on the valve connection side and 0.55 inch diameter on the hose connecrtion side.