Feature: 1. Reliable locking: The socket locking device can better lock the waterproof industrial socket, which will greatly improve safety. 2. Flexible to Lock: Able to lock in conjunction with the buckle, the socket lock can be locked with multiple padlocks, very safe and reliable. 3. Perfect match: The inner diameter of the lock body is 55mm, and the socket lock is therefore widely compatible with medium industrial sockets. 4. Good PP material: Adopting premium PP material with sturdy structure, this socket and socket locking device is durable to use. 5. Quick to Install: Comes with light weight and compact size, the socket lock can be easily installed in a few minutes. Specification: Item Type: Socket Lock Device Material: PP Usage: Suitable for average industrial socket. Lock Body Inner Diameter: Approx. 55mm / 2.17inch Package List: 1xSocket Lockout Device