The Moore & Wright Engineer's Squares have a precision ground blade and stock and a blind riveted construction. The blade has been hardened and tempered for longer life. Conforms to B5939/Grade B.Select Option 100mm (4in) (Retail Packaging)150mm (6in) (Retail Packaging)225mm (9in) (Retail Packaging)300mm (12in) (Retail Packaging)75mm (3in) (Retail Packaging) Add to Basket Quantity