Lightweight & Portable: Constructed with lightweight aluminum alloy for easy carrying and operate, reducing fatigue during prolonged use Great for professional who travel frequently or need portable tools not Slip Craftsmanship: Features a unique not slip base to secure stability during use, measurement errors caused by sliding Ideal for accuracy tasks like architectural drafting and artistic creation Strong Protective Design: produced of thickened aluminum alloy, this ruler durability and protect, solving the fragility issue of traditional rulers Perfect for professional craftsmen and designers needing high strength measuring tools Guided accuracy Measurement: Built in guide structure enables more line drawing, eliminating manual measurement deviations Widely used in engineering drafting and projects Versatile Applications: Combines multiple measuring functions for needs, from home renovation to industrial surveying Suitable for advertising design, cutting, and other accuracy tasks, Manufacturer: Oxxggkao