Pyranha Foot Rest Wheel Nuts, 4 pack

All plastic construction. No metal! New Old Stock. Best used as replacements for Pyranha brand kayaks outfitted with these foot brace parts. Approximately 3/4 inch OD 1/4 inch ID. Sold as a four pack. Center is threaded Assumed to be M7 metric threads. Labeled as F/P Foot Rest Wheelnuts. NOT a brass center! Seems to be compatible with 1/4-20 hardware.  OUTKNOB PPV PPVOUT