Features 1、Measuring hard to get to square and 45 degree angles. 2、Quick and easy operation, it can mark a soft metal, wood, and it/u0027s perfect for finding precise centers. 3、Aluminum alloy 90 degree and 45 degree right angle tool, high strength and quality, corrosion resistance. 4、Used to accurately and efficiently find the center of both round and square stock. 5、The steel ruler is removable and replaceable. Specification The center finder and steel ruler are practical woodworking measuring tool to find the center of both round and square stock accurately and efficiently. Features: Measuring hard to get to square and 45 degree angles. Quick and easy , it can mark a soft metal, wood, and it's perfect for finding precise centers. Aluminum alloy 90 degree and 45 degree right angle tool, high strength and quality, corrosion resistance. Used to accurately and efficiently find the center of both round and square stock. The steel ruler is removable and replaceable. Specifications: Material: Aluminum alloy Angle: 45°/ 90° Color: Red Item Size: Center Finder: 130 * 100mm / 5.12 * 3.94in Steel Ruler: 300 * 25mm / 11.81 * 0.98in Package Weight: 270g / 9.52ounces Package Size: 160 * 150 * 50mm / 6.3 * 5.91 * 1.97in Packing List: 1 * Center Finder 1 * Steel Ruler 4 * Screws Package List 1 * Center Finder 1 * Steel Ruler 4 * Screws