[Multifunctional Folding Triangle Ruler]: Joiner's Square Folding speed square, 6 inch folding extension arm can meet 6 inch or 12 inch layout needs; when opened, the measuring distance will increase. When folded, the storage space will be reduced, making it easy to carry. It has 2 units of measurement, metric and imperial, which is more convenient for your measuring habits, with a pencil and an eraser. [Adjustable Carpenter's Square Tools]: The triangular ruler can be folded and the angle can be adjusted; use the carpenter squares adjustable positioning tool to freely choose the angle, after adjusting to the desired angle, tighten the positioning nut and press the center pull rod to achieve precise positioning; a variety of measurement functions, suitable for different scenarios. [High Quality Material Carpenter Square]: The carpenter squares are made of high quality aluminum alloy, matte black finish to prevent glare, corrosion resistance and good oxidation resistance, not easy to break. [Stainless Steel Needle Square Joiner Carpenter]: The inner magnetic ruler can be kept intact, not easy to fall off, and has a long service life. Concealed stainless steel scriber with line at the end, screwed and fixed on the ruler body, not easy to fall off and easy to carry. Note: The data is manual measurement, s Please allow 1-61cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.