Standard Ball Valve Lockout, Ball Valve Lockout Device Standard Embedded Safety Lock, Lockout Ta gout Valve for DN8 to DN50 Pipe Diameter Small SBV 1: Amazon.com: Industrial & Scientific
Amazon.com: Walfront SBV-1 Ball Valve Lockout Device, Stainless steel, Small Safety Valve Lock with 6 Holes for oil products, gas pipelines, water supply pipelines, Ball Valve : Industrial & Scientific
NMC BS01R Ball Valve Lockout – 0.375 in. x 1.25 in. Polypropylene Handle-On Lockout in Red: Amazon.com: Industrial & Scientific
Plast-O-Matic MBV200VT-CP-L Ball Valves with Lockout/Tagout, 2" NPT(F) Connections, CPVC Body with Viton Seals: Amazon.com: Industrial & Scientific