This MCB Circuit Breaker Lock Off Safety Lockout Switch Isolation Device in Nylon is a must-have for anyone concerned about electrical safety. With a temperature range of -57℃ - 177℃, this switch is suitable for a variety of applications. Its size of approximately 52 x 30mm/2.0 x .2in and red colour make it easy to identify and locate. The switch is made of durable nylon material and has a clamp size of approximately 8mm/0.3in. It is designed to provide reliable and safe circuit breaker lock-off protection. This switch is ideal for use in business, office, and industrial settings where electrical equipment and supplies are required.