Description: 1. Engineering plastic material, the product is durable and sturdy. 2. The small lock (ASBV-01) is suitable for ball valves whose pipe diameter is less than 1.3CM-6.4CM when the valve is closed, and the lockable range is reduced to 1.3CM-3.2CM when the valve is open. 3. Large lock (ALBV-01) is suitable for ball valves with pipe diameters of 5CM-20CM. 4. The maximum diameter of the lock beam: 9CM. The small ball valve lock ASBV-01 is suitable for DN8-DN50 ball valves, and the large ball valve lock ALBV-01 is suitable for DN5O-DN200 ball valves. 5.Suitable for industrial, chemical, electric power, petroleum, coal, flammable and explosive places. Specification: Material:Polypropylene PP Size:(Optional) S:164x96x111mm/6.45x3.77x4.37inch L:360x196x112mm/14.17x7.7x4.4inch Package Includes: Optional: Small A: 1 Piece Small Ball Valve Lockout Large A: 1 Piece Large Ball Valve Lockout Small B: 1 Piece Small Ball Valve Lockout + Lock Large B: 1 Piece Large Ball Valve Lockout + Lock(3 Pack) Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.