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. Specification: Item Type: Marking Gauge Material: Aluminium alloy Colour: red + black Function: Woodworking marking tool, suitable for wood Function: Woodworking marking tool, suitable for wood joints. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Package Contents: 1*Dovetail Gauge 1*Wheel Marking Gauge 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.