This TECHSPAN connector, model RDC11AA-GR, is designed for reliable connections. Featuring a grey finish, it includes an O-ring and locknut for secure installation. Its versatile size accommodates cable diameters from .19 to .39 inches.The TECHSPAN RDC11AA-GR is a grey dome connector with a PG11 thread. It is designed to accommodate cable diameters ranging from 0.19 to 0.39 inches. The connector comes complete with an O-ring and a locknut for a secure and sealed connection.