Master Lock S2151 Removable Push Button and Rotary Switch Cover

• Prohibits access to a switch or control
• Fits both 30.5mm and 22.5mm diameter switches
• Clear bases and cover allow visibility of nameplates and labels
• Horse-shoe shaped retrofit base allows use with raised nameplates and off-center installation to accommodate rotary switch knobs
• Accommodates buttons up to 50mm diameter and 45mm tall
• Includes one cover, one new install base and one retrofit base with double-faced adhesive tape