B-Safe Ball Valve Lockout BS01R, Fits on Valves Sized 3/8"...
$23.45
V-Safe Valve Lockout Cover VS02R, Fits Valve Handles from 1"...
$11.10
Lockout/Tagout Procedure Station Kit
$89.99
Plastic Air Brake Glad Hand Lock, Keyed Alike, GLAD-KA
$17.50
ABUS Safelex Universal 3' Cable Lockout, C503
$19.95