Set of three measuring tools for trade or DIY use. The folding square measures 45° & 90° angles with metric and imperial markings along one edge. Made of aluminium with pivots which click firmly into position. Can be folded flat after use. The square ruler measure 300 x 500mm made of aluminium with vertical and horizontal vials. The universal adjustable protractor measures 550mm with 0 - 70° angles. Comes with metric markings along one edge. Made from aluminium and supplied with clamp for fixing to material.