Features Combined square: combination of 12 inch stainless steel woodworking ruler and durable aluminum protractor with inch and mm scaling that ensures durability while delivering accurate measurements. Accurate Scales This combined square ruler adopts precise calibration scale, clear and wear-resistant, and can read the angle of the bevel cut saw directly, improving the efficiency of processing. Measuring Range This tool has ruler and angle measuring functions that can be used to measure angles in the range of 0 to 180 degrees, measure lengths in the range of 0 to 30 cm, and draw precise lines if necessary. Wide Applications This protractor supports center locating and quick scribing, is fixed in the desired position by the knurled nut, and is used for adjusting inclinations, drawing radial lines, as well as measuring and marking angles. Fine Workmanship With its exquisite workmanship, this woodworking measuring ruler is lightweight and durable, ensuring easy sliding and safe locking, and can be used in various woodworking projects. Specification: Item Type: T-shaped ruler Material: aluminium alloy. Range: approx. 60 cm Package list: 1 x T-shaped ruler Package List 1 x T Shaped Ruler