Product Feature: * Great Compatibility: Fit for impellers 2-1/4" to 2-9/16". Compatible with Jabsco Pump #50070-0040 and #50070-0200. * High Quality: Made of heavy duty stainless steel and high quality plastic with excellent rust & corrosion resistance. High strength and good sturdiness. Carefully manufactured for long term use. Apply anti seize compound to all threads to prevent wear. .