Features 1. Oxidized black treatment, anti rust, surface oxidized black process treatment, sturdy and corrosion-resistant, not easy to rust. 2. Mark hole design: Dimensioning and angle marking have become simpler and more convenient to use. 3. Laser scale, precise and clear, laser font, clear and not easily worn, accurate and not easily worn. 4. Durable and sturdy: The angle measuring tool is made of aluminum alloy and steel, which is durable and not easy to bend, and can be used for a long time. A lightweight and compact ruler is easy to carry. 5. Multi angle measuring ruler: The 90 degree and 45 degree stoppers are suitable for multiple angles and can provide more angles to help you accurately measure things. Upgrade your tools to improve accuracy Specification Surface technology: Laser Measurement range: 0-26/30cm Size of ruler hole: 3MM Handle thickness: 16MM Product features: 90 degree right angle ruler/can be marked from multiple angles/centimeter hole for easy marking Material: Aluminum alloy+stainless steel Color: Black, Red Size: 30 x 17 x 2 cm Weight: 380 g Package Include: 1x Multifunctional Gauge Right Angle Ruler