The lock is made of high-grade zinc alloy material, combined with durable A3 steel plate and reinforced nylon to ensure maximum protection and longevity. Its sturdy construction ensures resistance to wear and tear, providing reliable and long-lasting performance. One of the standout features of our circuit breaker locks is their high or thick handle locking capabilities. With this feature, the lock securely mounts and locks circuit breakers with handles of various sizes. Whether your handle is thick or tall, this lock can accommodate it, increasing versatility and convenience.