BNC Twist-On connectors are field installable and require no tooling other than a stripping tool for the cable preparation. Quicker and easier to use. BNC Twist-On connectors are field installable and require no tooling other than a stripping tool for the cable preparation. Simply & Professional appearance for power cabling Easier for camera installation, save time and more securer cable connection High quality termination re-usable (simply un-twisted the connector and use it for next installation) 32mm longer body size for more secured connection Material: Nickel plated phosphor bronze.