- High impact composite polymer slide arm with level vial is nearly indestructible
- Combines framing, tri and T-squares
- 4-1/2" right angle, 8-1/8" variable arm
- Hip and valley pitch, rule and square measurements on front
- Thumbscrew adjustment
- Door sill/window sill pitch settings
- Protractor setting 45 deg. to 90 deg.
- Packaging includes illustrations for use