Class 4 Laser Welding Safety Signs

Standard Class 4 Laser Safety Signs and Labels. All signs and labels meet both ANSI Z136 and 535 specifications.

Sign is constructed of durable styrene.

Labels have self-adhesive backs and adhere to most clean, smooth surfaces. (20 labels per 1 Quantity)

LSOs (Laser Safety Officer) need to consider working environments, viewing conditions and beam delivery systems when making assessments and determining the correct laser glasses , goggles, barriers, or windows to protect against potentially hazardous laser radiation. Do not operate lasers without correct protective equipment and training.  All laser safety glasses and goggles are made for indirect viewing only.

If you'd like to use your own shipping account, please provide your carrier name, account number, and shipping type (standard, overnight, etc.) in the "Order Instructions" located in the top right of the Cart page. Simply choose the least expensive shipping option at checkout, and you will be refunded for the shipping costs after your order is processed.

We ship domestically within the United States and internationally (to all countries our carriers ship to—FedEx and UPS). At checkout, you will have shipping options with UPS and FedEx.

Please note: For most international shipments, it is often faster and more cost-effective to use your shipping account due to customs.

You may return most new, unopened items sold and fulfilled by Laser Safety Industries, LLC.,  within 30 days of delivery. 30% restocking fee applies to all products returned in new or unopened condition. Item's must be returned within 30 business days of purchase. Customized product are subject to a 40% restocking fee if returned within 30 business days of purchase in new condition. Laser Safety Industries is not responsible returned items that are lost or stolen during shipping. Please call us directly at 1-888-392-5106 to arrange return.For items directed to our Returns Center, expect your refund within 4 weeks of giving your package to the return shipper (though in many cases you'll receive the refund sooner). This time period includes: 

* 5 to 10 business days for us to receive your return from the shipper 

* 3 to 5 business days for us to process your return 

* The time it takes your bank to process our refund request.

We'll notify you via e-mail of your refund once we've received and processed the returned item.

Tax-exempt: If you're tax-exempt, their will be a place when you select Add to Cart to provide your tax-exempt exemption and state tax will be removed.