1、The surface is anodized and will not be easily worn 2、Double-sided scales are CNC engraved to provide clear readings 3、Made of high-quality aluminum alloy material, durable and long service life 4、The T-type scribing ruler is a good helper for woodworking operation 5、The scribing ruler is mainly used to assist woodworking marking 1 x T-Type Scribing Ruler Item Type: T-Type Scribing RulerMaterial: Aluminum alloy 6061 + brassFull Length: Approx. 212mm / 8.3inLimit Block Size: Approx. 80 x 29 x 16mm / 3.1 x 1.1 x 0.6inRuler Width: Approx. 34mm / 1.3inProduct Function: 1. Scribing—the small hole is the starting point, adjust the required length, the left hand holds the ruler, the right hand holds the pen to draw the line, it is simple and convenient 2. Measurement—the limit block is moved to the top, and the brass screw is tightened to become a T-shaped ruler that can be used for measurement.