you could scrounge around for an off cut from a section one size smaller. cut off the sail track part and sleeve the top of your mast( about 6 inches). we used to do this on lower sections of mast. especially around the gooseneck
Brian Partridge STINGRAY 580 "Fantasia" A Class 585 "FHARKEN A"
YOU CAN'T POLISH A TURD BUT YOU CAN ROLL IT IN GLITTER!!!!!