K
ken cloaninger
my 1987 o'day has 6 or 7 single and double blocks attached at the base of the mast. these blocks are used on halyards, mainsheet, ect. the blocks are steel garhauers with plastic sheaves. after 15 years of use and sunlight the plastic sheaves are about gone. can these sheaves be replaced or the blocks be refurbished?thanks in advanceken