1.Gas supply safety lock is made from engineering plastic ABS, without any metal components, fireproof, anti-corrosion. 2.Used to lock out the tank, including the propane tanks on forklift trucks and stand alone propane tanks. 3.Easy to avoid unauthorized operation of the valve stem. 4.Designed to fit in the tight spaces. 5.Suitable for valve stems with aperture ≤ 30mm WENZHOU BOYUE SAFETY PRODUCTS CO.,LTD., as a professional manufacturer, is specialized in producing various safety products such as lockout hasps, electrical lockouts, safety padlocks, lockout tags, lockout kits, lockout stations, lockout boxes, cable lockouts, gas cylinder lockouts, socket lockouts, pneumatic lockouts, etc.Corporate philosophy: Serve safety, care for life, join hands with friends from all walks of life, carry out cooperation, and create a win-win situation. Business policy: research and develop products that best meet market demand, and create the most competitive win-win model. Company Vision: Let the world be free of man-made safety accidents.