Old Canoe Patent Swivel Oar Locks Unmarked Wilcox & Crittenton Rostran ??

THESE ARE UNMARKED but look exactly like Old TownPatent Swivel Rowlockshas a 1/2 hole 7/8 deep on bottom 1 7/8 outer diameter on the tangs 3 1/2 overall height , 1 3/4 opening for oarOld Canoe Patent swivel Oar Locks Offered By Wilcox & Crittenton RostranExtensively used by Old Town and other quality builders prior to WWII, these rowlocks are still seen today on many antique boats and canoes. They were supplied in Polished Manganese BronzeBuy with confidence this item will not disappoint.