[Professional T Square Ruler]:Rotatable T square ruler is specifically designed for drafting and mechanical engineering purposes,making it an essential tool for professionals in the field [Clear and Transparent]:The ruler is made of clear and transparent material,allowing you to by it for accurate measurements and alignments [Ideal for Crafting]:Apart from drafting and engineering,this T ruler is also great for crafting projects that require accurate measurements [60 Cm Design]:Its 60 cm design makes it suitable for large scale drawings such as those in civil architecture,providing a wide range of measurement capabilities [Quality Material]:Made with sturdy materials,this T square ruler ensures longevity and consistent performance over time,making it a reliable tool for all your measuring needs, Weight: 0.4299014109 pounds, Manufacturer: ALCXAZS