For pricechoose optionsSelect Option 100mm (4in) (Retail Packaging) 150mm (6in) (Retail Packaging) 225mm (9in) (Retail Packaging) 300mm (12in) (Retail Packaging) 75mm (3in) (Retail Packaging) Quantity Add to Basket 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.