The high visibility of Krafts 54 in. Aluminum T-Square provides great contrast for easy readability. The 54 In. blade is longer than standard T-squares for big jobs. Long-wearing black markings are easy to read. The reverse ruled body is easy to read from either direction. The 2 in. wide blade of the T-Square features 1/16 in. graduations for precision. The 16 in. arm and markings at 16 in. on blade makes it easy to locate studs. Notched head has a lip that rests on the edge of wallboard and drywall to easily mark for cuts. Four rivets connect the tongue and body for rugged durability. Heavy-duty 3/16 in. thick material provides rigidity. The bright yellow powder-coating is long-wearing and easy to spot. Includes a hang hole for easy storage.