"JOHNSON" ALUMINUM DRYWALL T SQUAREThe Johnson Level & Tool 54-Inch Heavy Duty Aluminum Drywall T-Square features a heavy-duty extruded aluminum blade and head with a clear (silver) anodized finish. The blade is 3/16 inches thick and has screened, thermal-bonded 1/8-inch gradations in black. This exclusively designed T-square also features solid four-rivet construction with a head that"s permanently bonded to the blade. Ideal for general carpentry use, this square is backed with a 1-year limited manufacturer"s warranty. * Size : 54" * 2 Pack * Heavy Duty Aluminum Drywall T Square * Heavy Duty Extruded Aluminum Blade * Head With Clear Silver Anodized Finish * 3/16" Blade Thickness, Screened, * Thermal Bonded 1/8" Graduations In Black * Exclusive Design * Solid 4 Rivet Construction Permanently Bonds Head To Blade.