The Parallel Bar Perspex Rules by Blundell & Harling are essential tools for precision and accuracy in various technical and industrial applications. With sliding parallel rulers, design and a length of 350mm, these rules are perfect for setting up and holding workpieces in CNC machines or manufacturing processes. The perspex material ensures durability and stability, making them reliable tools for professional use. Ideal for professionals in the business, office, and industrial sectors, these parallel bar perspex rules provide a reliable and efficient way to achieve precise results in a range of manufacturing tasks.