Description: A Universal safety device that locks out virtually all miniature ISO/DIN circuit breakers throughout the world Made of glass filled nylon, sturdy and durable in use Simple to apply and lockout a maximum diameter of 15mm MCB, eliminates the need and hassle for extra tools Effectively prevent accidental switch on Help minimise the likelihood of injuries at work Specification: Material: Glass filled nylon Aperture: 15mm ( able to lockout a maximum diameter of 15mm MCB) Package Includes: 1 Piece Miniature Circuit Breaker Lockout Note: Self-locking, easy to lock without tools