Enclosure Connector Kit XD (22x22) and XF (30x30) Enables enclosure beam ends to be connected to beam sides. XD to XD, XD to XC and XF to XF,The connector is mounted directly onto the beam end with the M5 self-tapping screw.,When the connector is being fitted to the beam face, the T fastener will automatically turn into position in the T-slot once the set screw is tightened. Fasteners included.