Masterlock S3921 Adjustable Butterfly Valve Lockout

Easy to use, adjustable design prevents accidental activation of butterfly valves.

• Includes one (1) S806CBL3 Adjustable locking cable and one (1) S3920 Butterfly Valve Lockout
• Locks out valve in seconds by feeding S806CBL3 cable lockout device through desired eyelet and around valve
• Both devices are made of durable, lightweight thermoplastic material that is chemical resistant and performs effectively in extreme environments
• S3920 has an adjustable design that fits virtually all butterfly valvesDirectional application arrows allow for ease of installation and minimize user error
• Stainless steel rivet allows device to smoothly pivot open and closed to ensure proper fit