These have a triangular ergonomic cap so there are no tools required to tighten or loosen the plug
NPT backup O-ring for a water tight fit
Approved for all marine environments including salt water
It floats if accidentally dropped in the water
Fits all 1/2 NPT brass and stainless transom garboards
This plastic version is manufactured from glass fiber reinforced ABS to increase strength and flexibility. Increases fatigue endurance, resistance to high and low temperatures and resistance to abrasion
