Features Premium Quality Stainl Steel Construction: Crafted from high-quality stainl steel, this ruler ensures durability and longevity, making it a reliable tool for all your woodworking projects Adjustable Screw for Secure Measurements: Featuring an adjustable screw design, you can easily tighten the ruler to hold your measurements in place, enhancing precision during use Clear Laser Scale for Accurate Readings: The front displays a specially crafted laser scale, providing clear and accurate readings that make measuring and marking effortless Versatile Angle Adjustment: This tool allows for arbitrary adjustments within the range of 0° to 180°, offering flexibility for various woodworking angles and projects Smooth Edges for Precise Measurement: Designed with smooth edges, this ruler prevents hand slipping, ensuring accurate measurements and a professional finish every time Features: 1、GOOD QUALITY STAINL STEEL: Made of good quality stainl steel material, the is polished, and not easy to 2、ADJUSTABLE SCREW: Adopt adjustable screw design, when you need to fix the reading, you can tighten the screw for easy 3、SPECIAL CRAFTSMANSHIP LASER SCALE: Front come with special craftsmanship laser scale, the reading is clear, accurate and convenient 4、ARBITRARILY ADJUST: The measurement and marking can be adjusted arbitrarily within the range of 0？180 degrees 5、ACCURATE MEASUREMENT: The edge is smooth, the measurement is accurate, the inclination angle is of sharpn, and prevent hand slipping when in use Specification: Item Type: Angle Protractor Material: Stainl steel Range: Approx. 1 ~ 250mm / 0.04 ~ 9.84in Opening And Closing Angle: 180° Package List: 1 x Angle Protractor Package List 1 x Angle Protractor