General description This Draper 150mm Engineer's Precision Square (Model 34065) is crafted from solid steel stock, featuring hardened, tempered, and finely polished blades. It is designed for precise work and durability, making it suitable for various workshop applications. Technical specifications Blade edges and working face squareness tolerance: ±0.016mm (0.0064 inches) Manufactured to BS 939 Workshop Grade B standards for squareness tolerance Compatibility and accessories Designed for use with workshop tools requiring precise squareness No additional accessories included Installation No installation required; ready to use out of the box Usage Ideal for checking squareness and precision in machining and assembly tasks Suitable for professional and DIY workshop environments Other information Display packed for protection during storage and transport