1Made of premium aluminum alloy material, anti-oxidation, wear resistant and durable. 2Find the hole that corresponds to the scale, insert the pen tip into the hole, and draw the desired lines. 3T type design allows the scriber to slide along the edge of the workpiece to perfectly draw straight lines. 4Surface anodized treatment, beautiful and rustproof. 5Practical auxiliary scribing tool, suitable for woodworking projects and DIY amateurs.