TNP BNC Keystone Jack Insert Connector (5 Pack) Socket Female Snap In Adapter Port Gold Plated Inline Coupler For Wall Plate Outlet Panel Mount (White) This BNC connector keystone coupler allows you to easily add BNC connection to any standard keystone wall plate, surface mount box or patch panel. The snap-in BNC connector jack is simple to install and provides you with a robust female to female in-line BNC connector coupler Professional BNC connector keystone jack insert provides a commercial grade installation for home theater, CCTV security or high end video applications Ideal for CCTV security surveillance camera commercial customized installation; connect between BNC equipments with the cables concealed behind the wall via wall plates Reusable keystone jack design for easily disconnect and relocate when upgrading or redecorating Quick snaps in installation and easily fits standard keystone wall plate, patch panel or surface box; Compatible with nearly all keystone style wall plates