Construction: Heavy-duty extruded aluminum blade and head with clear (silver) anodized finish. 1/4" blade thickness. Screened, thermal-bonded graduations in black (48" in 1/8ths and 1/16ths; 54" in 1/8ths). Precision-machined head and blade lock together for a perfect 90-degree angle. Head adjusts to any angle. Folds flat for easy transport.
Applications: For general carpentry use, drywall squares are perfect for marking cut lines on sheets of plywood, OSB, drywall, and other board materials. They can also be used as a guide when cutting drywall.