1、Wide Sliding Square Design: This woodwork adjustable sliding ruler features a wide sliding square design for accurate measurements for a variety of drafting tasks for machinists, woodworkers, math, and engineers. 2、Adjustable Slider: This slide stop marking ruler features an adjustable slider that locks tightly in place for easy surface measurements, and two wing screws ensure a secure slide that won't loosen during use. 3、End Slot Design: This woodworking pocket ruler features an end slot design that holds the pencil tip steady and helps provide excellent control over parallel lines, effectively preventing slippage for more accurate data. 4、Compact And Portable: This woodworking ruler is small in size and light in weight, which is very convenient to carry and use, you can carry it inside your woodworking apron or hanging it on the tool wall at any time. 5、Wide Application: This wood working scribing measure tool has a wide range of applications and can be used as a scribing ruler tool for furniture making, DIY, handicrafts and more. Item Type: Woodworking Ruler Material: Aluminum Alloy Size: 12inch (0-310mm) Function: Adjustable sliding mechanism locks securely for easy measuring on surfaces, two thumb screws secure the slider without loosening during use. 1 x Woodworking Ruler