Features MAIN FUNCTION: Safety lock set can prevent accidents caused by valve misoperation during work or maintenance, which poses a danger to maintenance worker. STAINLESS STEEL AND PP MATERIAL: The lock set is sturdy, durable, and not easily deformed, suitable for various working environments. ADJUSTABLE WIDTH: Left and right freely, moving randomly. Suitable for most ball valves on the market. SECURITY ASSURANCE: The key cannot be removed when opened, ensuring that the padlock will not be left behind. APPLICABLE SCENARIO: Suitable for industrial, chemical, electrical, petroleum, coal mine flammable and explosive places. Specification: Item Type: Ball Valve Lockout Safety Lock Set Material: Stainless Steel, PP Applicable Ball Valve: Suitable for DN8 DN50 Number of Lock Holes: 4 Locking Range: Approx. 1.3 to 3.2cm / 0.5 to 1.3in (valve open) Applicable Range of Safety Lock: Approx. 38mm / 1.5in Package List:1 x Ball Valve Lock 1 x Safety Lock 2 x Key  Package List 1 x Ball Valve Lock 1 x Safety Lock 2 x Key