This is embarrassing, but I can't find hardware I need to attach my jib halyard to the mast on my '70 Cal21. It has a roller furling rig and the end of the wire has a clam type hook that then attaches to the line part of the halyard. The plastic device on my mast where I suspect it used to attach is broken and I have no idea what it started out as. any suggestions would be appreciated! I am considering a boom bail, but....