Set of 2 Perko Top Mount Rowlock Sockets 1185 and Row Lock Horns Chrome.  Items are used but in like new condition.  They include a set of Rowlock Sockets with 1/2 shanks that are 2" approximate between mounting holes and 1" depth.  It also includes two rowlock horns in 1/2" shank and 1.75" width for oar.  See pictures for full details.