Feature:1. Multipurpose: This angle measuring ruler set can draw lines, measure 45 and 90, wide base can measure the height of woodworking table saws2. Accurate Scale: The layout gauge ruler is exquisitely crafted, the scale is precise and clear, and both sides are easy to read3. Easy to Use: The unique multifunctional design makes unnecessary to turn the ruler when measuring, making the measurement more efficient4. Long Last Durability: The carpentry ruler is made of aluminum alloy, light in weight, convenient to use, durable and comfortable in hand5. Application: The measuring ruler is used for woodworking, suitable for round materials, three dimensional workpieces, pipes etc.Specification:Item Type: Angle Measuring RulerMaterial: Aluminum alloyColor: BlueMeasurement Accuracy: 1mmAngle: 45 90Usage: Suitable for round materials, three dimensional workpieces, quadrilateral wood, pipes, etc..Package List:1 xLine Ruler1 x Angle Ruler1 x Hex Wrench2 x ScrewNote:Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.