-1/4" Square MACH-1 Mark Rafter Square with Level Vial, Black

Innovative Mark Cutout for faster and accurate layout and marking Includes markings for 1-1/2", 3", 4-1/2", 1-3/4", 3-1/2", 5-1/2", and for various construction applications Built-in level vial with 320° visibility for measuring level, plumb, and roof pitch 22.5°, 30°, 45°, and 60° slots for common angle markings 1" wide heel stays seated on split and irregular materials for enhanced stability