Multifunctional Folding Triangle Ruler: 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 measurement units, metric and imperial, which is more convenient for your measurement habits. Adjustable Carpenter Square Tools: The triangle ruler can be folded and the angle can be adjusted; use the adjustable speed square positioning tool to freely choose the angle, after adjusting to the desired angle, tighten the positioning nut and press the middle pull rod to achieve precise positioning; a variety of measurement functions , suitable for different scenarios. High Quality Material Speed Square: Carpenter squares are made of high quality aluminum alloy, with black matte finish to prevent glare, corrosion resistance and durable, good oxidation resistance, not easy to break. Stainless Steel Needle Triangle Ruler Tool: The inner magnetic ruler can be kept intact, not easy to fall off, and has a long service life. Concealed stainless steel needle scriber with line at the end, screwed and fixed on the ruler body, not easy to fall off, and easy to carry. Widely used Speed Square: Woodworking multi-functional folding triangle ruler, can draw 90 angle, balance line, vertical line and draw equidistant center point and adjustable positioning knob corresponding to all the intersection points of the drawn line and the edge are equidistant. For drawing slopes, bevelling the ends of roof rafters and opening beaks. Practical Gifts:speed square metric set perfects for DIYers, crafters and builders, these metal stencil kits are a must for any toolbox.