- 24 in. x 2 in. body, 16 in. x 1-1/2 in. tongue, 1/8 in. thick
- Aluminum body will not rust
- Permanently stamped graduations and numbers
- Graduations measure in 1/8 in., 1/10 in., 1/12 in., 1/16 in.
- Includes octagon scales, rafter tables, brace tables and board foot tables