1、Specifications: This kit includes 3pcs woodworking pocket rulers with measuring ranges of 16cm, 20cm, and 30cm. Each pocket ruler has dual scales (inch and cm) to meet your various measurement and marking needs. 2、Aluminum Alloy: This pocket ruler is made of anodized aluminum alloy material, with CNC processing, and has excellent rust resistance and wear resistance. Engraved scales and red matte finish ensure clear and intuitive lines. 3、Adjustable Sliding Stop: Each woodworking ruler is equipped with adjustable sliding stop, which help to quickly measure the edges distance, marking, cutting, and repeating measurements of cabinets and furniture structures. 4、Vertical Measurement: Slide the stopper into the notch in the middle of the ruler, making it a completely vertical bracket. The side is marked with measurement units of 1/4, 1/2, and 3/4, perfect for accurately setting the height of router bits and table saws. 5、Angle Scribing: This aluminum alloy pocket ruler has a 45 degree slider, which can help you easily draw angle lines at 45 degree, 90 degree, and 135 degree. It is an ideal measuring tool for woodworking, DIY, and handicrafts. 6、High Accuracy: The end notch design of the woodworking pocket ruler tool allows for stable grip of the pencil tip and helps to achieve stable control over parallel lines. Effectively prevent sliding and obtain more accurate data.