APPLICATIONThe metal ruler suits various applications in offices, drawing, architecture, and engineering.ABOUT THIS PRODUCTS- high-precision, The numbers are clear and easy to read- with a hang-up hole, store conveniently- with a plastic protective cover for easy storage- stainless steel material is long-lasting use, rust-proof, and non-bendableSPECIFICATION1pcs 500mm 20 Inch Metric Straight RulerOverall Size: 535x28x0.7mmNOTEThe ruler has a squared-off angle, please pay attention to avoid scratches to your hand.