General description The Moore & Wright 4006 Engineer's Square is a precision tool designed for accurate measurements in engineering and workshop applications. It features a hardened and tempered steel blade with a satin chrome finish, ensuring durability and resistance to wear. The square has a blind riveted construction for added strength and reliability, making it suitable for professional use. Its precision ground blade and stock provide high accuracy for layout and measurement tasks. Technical specifications Blade size: 181 mm x 25.4 mm Stock size: 101.6 mm x 25.4 mm Inner working size: 82.4 mm x 155.6 mm Material: Hardened and tempered steel Finish: Satin chrome Standards: Conforms to BS 939 / Grade B Compatibility and accessories Suitable for use in engineering, workshops, and on-site measurements Compatible with other precision measuring tools Installation No installation required; simply use the square for measuring and layout tasks. Usage Use the square to check right angles