Patented design and ultra-tough polypropylene material make these devices the best choice to assuredly lock out your ball valves.
Master Lock 1482BP410 4-Lock Covered Station with 410RED Zenex Thermoplastic...
B-Safe Ball Valve Lockout BS01R, Fits on Valves Sized 3/8"...
V-Safe Valve Lockout Cover VS02R, Fits Valve Handles from 1"...
Lockout/Tagout Procedure Station Kit
Plastic Air Brake Glad Hand Lock, Keyed Alike, GLAD-KA