Johnson Level & Tool 1904-0700V 7-1/4" Johnny Square MACH-1 Smart Mark Rafter Square with Level Vial, Black

Innovative Smart Mark Cutout - faster, easier, more accurate marks at critical dimensions Easily identifiable markings, cutouts, and notches for layout, scribing and marking cuts: 1-1/2", 3" and 4-1/2" mark stud or joist layouts; 1-3/4" and 3-1/2" mark LVL layouts; 3-1/2" and 5-1/2" mark 2x4 and 2x6 flat studs and blocking or 4x4 and 6x6 posts; 1/2", 3/4", 1-1/2" and 1-3/4" for scribing rip cuts and marking flat studs and blocking 22.5°, 30°, 45° and 60° slots for marking out commonly used angles Built-in level vial with 320° of visibility indicates level and plumb, and measures angle or roof pitch on existing structures, replacing a torpedo level in many applications 1" wide heel stays seated on split and irregular materials