Provides solid protection in electrical switch lockout. Easy to install and can be used with most mounted switches. It can be used to lock in either the on or off position (install using existing screws). The lockout devices are made of a strong polypropylene that is highly resistant to cracking, abrasion and extreme temperature changes (-50° F to 360° F) and fully dielectric. Red color. 6 per package. Sold by the package.