TASKS Combination Square 12 Inch / 300 Millimeter With Level And Durable Aluminum Head . Pre Cutting And Drilling Measuring Tool For Right Angles And Center With Heavy Duty Square Head, 12 Inch For Woodworking, Carpentry, Machinists. Made From Rugged Steel/Zinc With A Low Glare, Coated Specifically To Prevent Rust. Perfect For The Professional, Student, And Apprentice. CYGA232