This T-Stat Guard has been discontinued by Honeywell
For New and existing thermostat applications - Opaque plastic cover, ring base and wallplatTumbler lock with 2 keys - Mounting screws and anchors - Dimensions Inside 6-1/16" wide, 5-1/16" high, 2-5/8" deep Outside - 7-1/2" wide, 6-1/2" high, 2-15/16" deep