Crafted from aluminum alloy, it boasts rounded edges for, anti slip base for stability, and light weight construction to resist bending during intensive use Light weight and portable, this ruler long term durability for professional on the go and without the risk of slips or injuries Perfect for engineering drawings, architectural plans, sewing pattern, or any setting where smooth surfaces demand anti slip ruler to maintain position during precisely cutting or marking Ideal for students, architects, engineers, and anyone who demand professional drawing ruler measuring tool for detailed project requiring exact dimensions and secure handling Achieve precisely measurements with this aluminum ruler, featuring smudgeproof coating to inks bleeding and ensures clean line for accurately drafting and design work, Manufacturer: ZBIianxer