Johnson Level & Tool 1959-0700 Magnetic Johnny Square Professional Aluminum Rafter Square

KEY FEATURES MAGNETIC SQUARE: This Johnson construction square is perfect for builders and welders. It has a solid aluminum body with CNC machined edges for greater durability and accurate readings every time. HANDS-FREE USE: This rafter square has powerful magnets that enable the hands-free operation and ensure the square does not fall while in use; allowing you to complete any job with ease. APPLICATIONS: The magnetic edge of this layout tool attaches to ferrous metal; making it excellent for welders. It may be used to set and check squares before or after welds completion; as well as to measure or indicate angles. EZ-READ FINISH: When used as a saw guide; this magnetic rafter square with EZ-Read coating enhances friction to assist adhere the square to lumber. The anti-glare protective coating diffracts light rather than reflecting it.