Is anybody familiar with this baseplate? This is some of the treasures I found on the new to me MAC 25. The plate is in new condition. https://i.imgsafe.org/6f661ba745.jpg https://i.imgsafe.org/6f6a143572.jpg The triangular piece fits on the bottom of the mast but the mast would rest on the bolt, no...

I recently bought a 1977 Mac 25. The Trail Rite trailer needs new bearing buddies. I measured and then bought Fulton 1.985 bearing protectors but I can not get them in. Does someone know the correct size?