The lock body is made of durable and wear-resistant zinc alloy material to ensure stability and service life. For added protection, the surface is treated with a high-temperature plastic spray, making it resistant to a variety of environmental conditions. With a locking beam diameter of up to 7mm, this locking device is versatile and compatible with a wide range of ball valves. Its purpose is to lock the industrial ball valve securely in the closed position, preventing any misoperation or accidental touching.