Effectively prevent water to enter the cabin. Designed as automatic drain valve. Metal size: Length :25mm Diameter :11mm Product description: Installed at the bottom of the stern, When the boat stops at the surface, the plastic balls block the drain because of the buoyancy of the water, effectively preventing water from entering the cabin Made of metal Note: The color of the item may vary slightly due to photography and your own computer
Features:
Designed as automatic drain valve.
Effectively prevent water to enter the cabin.
Installed in the bottom of stern.
When the ship sailing foward, shafting will bring water into the ship cabin, causing hydrops phenomenon. In this situation, if there is a auto bailer, its plastic ball can open the drain valve under the effect of forward inertia. When the ship stop on the water, the plastic ball will block the water outlet, thereby, prevent water to enter the cabin effectively.
With O-ring.

Material: Aluminium alloy
Color: Silver
Size: 26.5x11mm/1.04"x0.43"(LxDia)
Weight: 4g

Package Include:
1 x Auto Bailer