2” Gauge Power Socket Adapter Mounting Plate – This instrument hole adapter is designed to install standard 1-1/8-in. gauges and meters into 2 in. instrument dash panel holes. The socket adapter is installed by placing the face plate in front of the dashboard and then inserting the socket/meter in the hole with the washer behind. Features: Designed with D-flats to prevent gauges from spinning, the assembly is held in place by the socket/meter nut for a clean, finished look Constructed of UV-resistant injection-molded nylon Specifications: Face Plate Outer diameter: 2-3/16 in. Face Plate Inner Diameter: 1-3/16 in. Face Plate Thickness: 3/16 in. Height: 2 in. Washer Inner Diameter: 1-1/16 in. Washer Thickness: 1/8 in. Weight: 0.04