1、CNC machining aluminum alloy ruler, high precision, wear resistant and durable. 2、Find the hole that corresponds to the scale, insert the pen into the hole, and draw the desired lines. 3、T type design allows the ruler to slide along the edge of the workpiece to perfectly draw straight lines. 4、Surface anodized treatment, flat and smooth, beautiful and rustproof. 5、Professional auxiliary scribing tool, suitable for woodworking and DIY amateurs. Features: CNC machining aluminum alloy ruler, high precision, wear resistant and durable. Find the hole that corresponds to the scale, insert the pen into the hole, and draw the desired lines. T type design allows the ruler to slide along the edge of the workpiece to perfectly draw straight lines. Surface anodized treatment, flat and smooth, beautiful and rustproof. Professional auxiliary scribing tool, suitable for woodworking and DIY amateurs. Specification: Material: Aluminum Alloy Style A: Red Style B: Blue Style C: Red (Lengthen) Package List: 1 x Scribing Ruler Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.