This item is well made of premium aluminum alloy material for durable and practical use. The marker is easy to use. Find the hole that corresponds to the scale, insert the pen into the hole, and draw the desired line.These rulers can be applied for home and office using, school students and teachers. The numbers are very clear and accurate, and it is able to be used for a long time. No edges, easy to store. Feature - Color: Red - Material: aluminum alloy. - Size: About 6.8x4x4cm - Follow the of the workpiece and draw the perfect position on the horizontal or vertical lines. The tiny scored holes and grooves accurately place the score on the , making the woodworking ruler your tool. - Made of quality material, it is sturdy and wear resistant. - Each hole on the ruler represents one millimeter, and this versatile marking and gauge is suitable for a 0.5-1 mm filler. - Precise marking rules help you draw perfect horizontal lines while sliding rules along the . - Suitable for home, office using, especially for for engineer, architect, student, draftman, artist, and so on. Package list: 1 Shape Ruler