Features: brand new and high quality Accurate scale, easy to operate, save for time and effort. Product Dimension: approx. 45x45x74x45mm/1.77x1.77x2.91x1.77inches. Applicable to round face, square face, right-angle draw center line, round face to find the center point. Center Marking: It is suitable for determining the exact position of the center of the board during the work process of plate grooving, pin joint, assembly, etc. The material of this product is made of high-quality aluminum alloy, which is cut in one piece. Plus anodized, durable, corrosion-resistant, wear-resistant. Specifications: Material: Aluminum Alloy Color: Blue, Red, Black Product Dimension: approx. 45x45x74x45mm/1.77x1.77x2.91x1.77inches Net Weight: 160g/0.35lbs Package Includes: 1x Woodworking 45 Degree Angle Center Scriber note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.