1. Aluminum Alloy: Made of high-quality aluminum alloy, this center marking gauge is durable and built to last. It undergoes anodized treatment for long-term durability. 2. Compact & Portable: This center gauge is designed to be small and portable, making it easy to carry. The precise scale markings on the ruler allow for accurate measurements. 3. Versatile Woodworking Tool: This vernier caliper gauge is widely applicable for marking and measuring on curved and square surfaces, creating perpendicular lines, finding center points on curved surfaces, and more. It's a must-have for woodworking projects. 4. Practical Design: The design of this precision gauge is simple yet highly practical. It enables efficient and precise marking and measuring, saving time and effort in woodworking tasks. 5. Accurate Angle Measurement: The markings on the round bar center finder provide clear and precise angle measurements. This ensures accuracy in woodworking projects, allowing consistent results. Color: Red Material: Aluminum alloy Package Contents: 1 x Center Finder Note: The package includes only the items listed above; other products are not included. Light reflection and different displays may cause slight color variations compared to the actual item. Measurement error allowance is +/- 1-3 cm.