Hi all, does anyone know the sheave size for an Anglo Marine Wanderer proctor mast? I want to replace the masthead one and 3 at the base but hoping to go to the boat with parts ready rather than make 2 trips.

Also does anyone know the width of the fibreglass at the mast base (or have their boat to check)? This would be the inside width between the support posts either side of the mast. I need to tidy up a previous mast base repair and again want to make a GRP panel before going to the boat. Purple line in the photo if that makes sense.

Many thanks in advance for and help you can provide.?

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