This solid metal, 5/8 inch (16mm) diameter and 8 inch long pin can be screw-mounted to a wall or ceiling for supporting any of the ALZO LED lights or any light with a baby pin socket. The maximum load of the ALZO 8 Inch Wall Mount Plate Straight Pin is up to 16 pounds cantilevered. Attachment of the pin for loads exceeding 2 pounds must be strong, long screws into framing or concrete.