Cast aluminum alloy. Measures 12" x 12" and 17" across the diagonal, which is marked off in degrees from 0 deg. (degree) to 90 deg.. Features scribe bar, notched every 1/4", to lay out parallel lines. Lay-put bar adjusted out to fit out of square corner. 2 adjustable stop pins can be set for proper run and proper rise. Includes Blue Book of Rafter Length and Roof Construction.
| Id | 87681 |
| SKU | 302821 |
| PartNo | S0107 |
| UPC | 00038987001079 |
| Country of Origin |  USA |
| Square Size | 12 In. |
| Graduations | 1/4 In. |
| Material | Aluminum |
| CID | 1 |
Chattanooga, TN