Johnson Adjust-A-Square Series ADS48 T-Square, SAE Graduation, Aluminum

Quickly and easily adjust the head to any-angle for versatile use, while it locks firmly at 90 deg for precise markings. Made from heat-treated aluminum, this adjustable T-square has a thick head and blade with easy-to-read 1/8 in thermal-bonded graduations for long-lasting durability. Common angles are etched at 30, 45, 60 and 75 deg for efficient repeat measuring. Its anodized finish protects against rust and corrosion, while the robust aluminum blade serves as a straight edge for cutting precise lines.