High quality aluminum alloy 6061 ruler, wear resistant and durable. Surface anodized treatment, beautiful and rustproof. Simple structure, easy to operate, strong clamping force, high precision and wide application range. How to use, find the hole that corresponds to the scale, insert the pen into the hole, and then move the ruler to draw the desired line. Excellent manufacturing, quality assurance, accurate calibration, easy operation. Used for what, this wood scriber is used to draw the required size and length, slotting, positioning, stitching, mosaic, etc. on the wood., Weight: 0.110231131 Pounds, Manufacturer: Namvo