Introduced by Mayes is this aluminum drywall square that is sure to be of great use to you. This measurement tool is protected with a heat-treated, clear, powder paint finish. The solid four-rivet construction maintains a secure bond between head and blade. Drywall square is designed to be lightweight wallboard for easy maneuvering. Highlighted gradations of the wallboard offer high visibility. Mayes lightweight drywall comes with an extruded aluminum blade and head with an anodized finish for durability. Use it for marking cut lines on sheets of plywood, OSB, drywall panels, and other board materials.