Features 1、Combining Square: Combination of 12 inch stainless steel woodworking ruler and heavy duty aluminum protractor with both inch and mm scales, ensuring durability while providing accurate measurements. 2、Accurate Scales: This combination square ruler adopts precise calibration scale, clear and wear resistant, and can directly read the angle of the oblique cutting saw, improving the efficiency of processing. 3、Measuring Range: This tool has ruler and angle measuring functions, which can measure angles ranging from 0 to 180 degrees, measure lengths ranging from 0 to 30cm, and accurately draw lines where needed. 4、Multiple Usages: This protractor supports center locating and quick scribing, locked in the desired position through knurled nut, used for setting slopes, drawing radial lines, measuring and marking angles. 5、Fine Workmanship: With exquisite workmanship, this woodworking measuring ruler is lightweight and durable, ensuring easy sliding and secure locking, and can be used in various woodworking projects. Specification Item Type: T Shaped Ruler Material: Aluminum Alloy Range: Approx. 60cm / 23.6in Package List 1 x T Shaped Ruler