Features: Dimensions that can be used as parallel lines.Precise scale, clear, wear-resistant and rust-proof, durable.Simple structure, simple operation, high precision and wide application range.Specifications:Material: Aluminum alloySize: 68*40*30mm/2.68*1.57*1.18"Usage: Woodworking Marking Assistant ToolBe careful:Each hole represents a millimeter, and the distance between the two holes is 5mm. Find the hole corresponding to the scale, and insert the pen core into the hole to move the ruler to draw the required lines.Notes:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement.1 X Woodworking Scriber