- 9-1/4" sides x 13" (23.50cm x 33.02cm) hypotenuse
- Pencil & sharpener included
- Both 320mm & 1-80,000 scales shown
- Inscribed with contrast-enhancing colors (red & black)
- Hole at vertex allows several uses
- Heavy duty clear 5mm acrylic construction for durability
| Brand | Weems & Plath |