Push-button safety covers prevent unauthorized use of push/pull and twist-release emergency equipment. The self-contained sticking function can permanently fix the lock cover on the control device, effectively preventing accidental touches. The device is captured by a rotary or push button switch bezel and has a clear base and cover that allows visibility of the nameplate and labels. Transparent cover with hinged door can stay open for easy access when not in use. The cover fits 30mm and 22mm diameter switches and accommodates buttons up to 1-9/16" (40mm) diameter and 1-3/4" (55mm) high. If the size specification can not meet your locking needs, please contact us and we can customize a new locking solution for you. Accepts all bozzys safety padlock shackles and locking hasp diameters. Laser engrave your logo on the included stainless steel plate. Electrical lockout lockouts body and button part are made of reinforced nylon PA material with wear resistance, corrosion resistance, good insulation and temperature difference resistance (-50℃~+177℃). The miniature circuit breaker lockouts do not require any installation tools! The lock body comes with a button buckle design, and the installation can be easily completed by manually pressing the button. And The lever-type circuit breaker lock uses a finger-turned first wheel for quick installation. Suitable for a variety of single-stage, multi-stage and any miniature circuit breakers to protect employees from electrical accidents during equipment maintenance.