The Milwaukee® 7 in. magnetic rafter square has a stronger frame and is the most versatile rafter square. It features three rare earth magnets for a secure hold on ferrous materials. Scribe Ntches from 1 in. to 6 in. allow for easy ripping of lumber. A 1 in. cutout helps prop pipe making it easier to cut on the job site. A reinforced frame provides durability on the job site and high visibility laser etched markings make it easy to read.