4003 Engineer's Square Grade B 75mm (3in)
- Moore & Wright 4009, The Moore & Wright Engineer's Squares have a precision ground blade & stock & a blind riveted construction. The blade has been hardened & tempered for longer life. Conforms to B5939/ Grade B. The Moore & Wright 4009 Engineers Square Grade B 225mm (9in) has the following specification: Blade
Size: 273.1 x 38.1mm. Stock
Size: 139.7 x 38.1mm. Inner Working: 107.9 x 234.95mm. Moore & Wright 4009 Engineer's Square Grade B 225mm (9in)