1/4 Insert runners. With 5160 hardened carbon steel. These runners are very hard, strait and fast. $600 for the pair.
I have a bunch of extra miscellaneous parts including: side stay adjusters, mast steps & mast step plates, Harken pullies, tangs, shroud triangles, steering rod, Sherry DN tiller, etc. - make an offer.
Located in Minnesota.
revans at mastersofsail dot com