Rakuda (Rakuda/Shimizu Manufacturing) two-by-four ruler

The size of the ruler matches the width and thickness of 2x4 materials, making it ideal for 2x4 materials. It can also be used for 1×4 materials. The main body is made of polycarbonate (resin) and is lightweight and durable.
You can draw right angle lines before cutting with a saw, and determine the optimal position for nailing or screwing joints in one go. You can draw lines at 1/2, 1/3, and 1/4 of the end of the material. A 45 degree line can be drawn before cutting with a saw. You can draw the center line of each side of 2×4 materials and 1×4 materials. You can draw lines for positioning materials when assembling 2×4 or 1×4 frames or shelves. You can draw lines for 2-part, 3-part, and 4-part joints.