Features 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 Specification Item Type: T-Type Scribing Ruler Material: Aluminum alloy 6061 + brass Full Length: Approx. 212mm / 8.3in Limit Block Size: Approx. 80 x 29 x 16mm / 3.1 x 1.1 x 0.6in Ruler Width: Approx. 34mm / 1.3in Product 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. Package List 1 x T-Type Scribing Ruler