As a saw guide, stair layout tool or rafter tool, Johnson's 12" rafter square will help you get the job done accurately and easily. It features Johnson's unique Structo-Cast® molded frame that is both lightweight and durable, as well as permanent molded graduations for making quick and easy measurements.
Durable, light weight Structo-Cast high-impact molded frame
Permanent molded graduations for quick and easy measurements
2x4 board dimension markers for measuring 1-1/2 in., 3 in. and 3-1/2 in.
Thick edge is useful as a saw guide
Built-in scribe notches
Fluorescent easy-to see color