The Torquata 300mm Posi-Lock T Square with Protractor is your ultimate set out tool. With its 300mm rule, Posi-Lock protractor and quality build, this tool is perfect for anyone wanting to measure and mark out all types of projects. The Torquata Posi-Lock T Square delivers unparalleled accuracy in your set out work. Just snap the head into the angle you want and mark your line. The head adjusts from 0 – 70 degrees and locks securely every 5 degrees (plus 22.5 and 67.5 degrees). The secret to the Posi-Lock T Square is the series of precisely machined indexing holes and the spring loaded, tight tolerance indexing pin that meshes with them. The pin snaps into place giving you the confidence to know it is spot on accurate. The thin 300mm blade is marked with metric graduations along both edges. The blade also features marking holes that allow you to mark out every millimetre accurately using a mechanical pencil super. Made of aluminium alloy, this tool is beautiful and durable.