Universal Thermostat Guard, Base Type No Base, Cover Type Snap-On, Guard Construction Single Wall, Inside Depth 2 9/16 in, Inside Height 6 3/16 in, Inside Width 3 5/8 in, Material Steel, Mounting Direction Horizontal or Vertical, Outside Depth 2 11/16 in, Outside Height 6 3/4 in, Outside Width 4 3/16 in, Thermostat Guard Cover Color Silver, Compatible Manufacturer Model Number T22, T26, T41, T80, T91, W42, W43, W45, W51, Includes Baseplate No, Number of Keys 1, Tamper Yes