Mooney Aircraft Jack Points One pair of Mooney Airplane Jack Points Used to support airplane for maintenance Inserted into the tie-down ring holes Conical shape fits top of aircraft jacks Plastic guard to protect paint Original Mooney Jack points Unthreaded insert approximately 0.215" in diameter slides into 1/4" threaded hole Good and perfectly serviceable condition.  Steel parts show some light surface corrosion.  Plastic washers show light wear See on eBay https: