Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Master Lock No. MASLO-497A is a heavy-duty safety tag designed for clear communication in a safety-conscious environment. This tag features a durable polyester laminate that resists water, grease, and extreme temperatures.
The tag prominently displays the 'Do Not Operate' message in black, red, and white for high visibility.
Thanks for subscribing!
This email has been registered!