13 3/4" yellow-orange center for daytime warning
Outer 1 5/8" red reflex border for nighttime warning
Outer 1 5/8" red reflex border for nighttime warning
DATA SHEET:
| Manufacture | Grote Industries |
| Color | Red/Orange |
| Material | ABS/ Acrylic |
| Federal Motor Safety Stanards (FMVSS) | SAE: J943a |
