![Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific](https://m.media-amazon.com/images/I/41Kd19dSEdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Danger Sign - Laser Radiation Avoid Direct Exposure to Beam Class 3b Laser 7"X10" Plastic Safety Sign ANSI OSHA : Industrial & Scientific
Y163063 Brady | Brady Black/Yellow Vinyl Safety Labels, Laser Class 3B-Text 52 mm x 105mm | 119-441 | RS Components
![Difference between Class 3 Laser and Class 4 Laser for pain and inflammation - Lasers by Theralase Inc. Difference between Class 3 Laser and Class 4 Laser for pain and inflammation - Lasers by Theralase Inc.](https://theralase.com/wp-content/uploads/2020/09/class-3b-vs-class-4.png)