- Heavy-Duty .080 rustproof aluminum (just thicker than a US quarter)
- 3M™ Engineer grade reflective provides up to 500 foot of visibility at night
- Signs are retroreflective*
- Signs lasts 10+ years of outdoor life
- Pre-drilled holes for easy mounting
- Mounts with screws onto Captain Safety™
- Rounded corners for safe handling
* Light beams striking the sign are returned in the same direction as the point of origin.