Our 7-inch rafter square features a stronger frame and is the most versatile rafter square available. The 1-inch to 6-inch scriber notches allow you to easily and accurately measure and rip boards. The 1-inch cutout in the rafter square helps support pipes for easier cutting on the jobsite. A reinforced frame provides greater durability on the jobsite, while high-visibility laser markings make the square easy to read.