Radio Daze custom manufactured stainless steel mounting plate for "S" style sockets/"CP" style plugs. 1 1/2" to 1 7/8" mounting centers. Use RET-1, "S" socket/"CP" plug wavy washer (snap ring), to mount socket or plug to this mounting plate. Please note these were manufactured to the original Amphenol design with 1 center tab so that ANY "S" socket/"CP" plus can be mounted.