Aluminium T Square 24", 36", 48" 54" 1) Try square with yellow / black 2) Customized length ... Duty Aluminum Drywall T Square Ruler - 24", 36", 48" 54"Aluminium Drywall T square, Try square, Angle square with yellow ... work Material: aluminiumSize: - 24"x16" - 36"x20" - 48"x22" - 54"x22" Packing: PP bag - Customized logos are acceptable - OEM orders ... American Type Aluminium T Square 24", 36", 48" 54"