9045-B-400 Precision Square

A precise square especially for carpenters, ideal for marking, checking, and adjusting right angles. The square fits evenly against the end of the board and is made from a single piece. Designed for precise measurements at both 45° and 90° angles.
- Aluminium rail on the back.
- Clear measuring scale on both sides, on the outside and inside.
- Phosphated, coated with a rust-resistant finish.