Toolzone Engineering/Engineers Precision Steel Set Squares100mm, 150mm, 200mm & 300mmExcellent value engineering/engineers set squarestructed from solid steel with hardened, tempered and finely polished bladeslable in a range of sizes: 100mm (4″), 150mm (6″), 200mm (8″) and 300mm (12″)lable in the following:- 100mm (4″)- 150mm (6″)- 200mm (8″)- 300mm (12″)