Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! 1.Aluminum Alloy: Made of high-quality aluminum alloy, this center marking gauge is corrosion-resistant and built to last. 2.Practical Design: The design of this precision gauge is simple yet highly practical. It enables efficient and precise marking and measuring, saving you time and effort in your woodworking tasks. 3.Accurate Angle Measurement: The markings on the round bar mark finder provide clear and precise angle measurements. This ensures accuracy in your woodworking projects, allowing you to achieve precise angles and measurements consistently. Notes : 1. Manual measuring, please allow 1-3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We the style is the same as shown in the picture. There may be slight color difference or difference between the actual product and the actual product. Scale measuring range: 0-210mm Colour: Red Material: Aluminum alloy Package Contents: 1x T Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.