ACCESSORIES & CASES
Little "Blue Book" for Roof and Stairway Layout
P0110
The Little "Blue Book" for Roof and Stairway Layout includes detailed instructions on how to use the Speed® Square and Big 12® Speed® Square using the "One Number Method"™ for roof layout.
- 60 page manual
- "One Number Method"™ for roof layout
- Includes rafter tables & construction diagrams