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![Master Lock 479 Accessory Arm for No. 478 Universal Ball Valve Device-Master Lock-479-MasterLocks.com](http://masterlocks.com/cdn/shop/products/47950_500x500.jpg?v=1625028268)
Master Lock 479 Accessory Arm for No. 478 Universal Ball Valve Device
by Master Lock
Model No. 479
Original price
$24.74
Current price
$12.37
The Master Lock No. 479 is an accessory for a universal ball valve lockout system.