Multifunctional Folding Triangle Ruler: Folding speed square with a 6-inch folding extension arm to accommodate 6-inch or 12-inch layout needs; measuring distance increases when opened and storage space is reduced when folded for portability. Features both metric and imperial measurement units. Adjustable Carpenter Square Tool: The triangle ruler folds and allows angle adjustment. Use the adjustable speed square positioning tool to select any angle, then tighten the positioning nut and press the center pull rod for precise locking. Supports multiple measurement functions for various applications. High-Quality Material Speed Square: Made from premium aluminum alloy with a black matte finish to reduce glare, resist corrosion, and ensure durability and oxidation resistance. Stainless Steel Needle Triangle Ruler Tool: Includes an integrated magnetic ruler that remains securely in place. Features a concealed stainless steel needle scriber at the tip, securely screwed into the ruler body for reliability and portability. Widely Used Speed Square: A woodworking multi-functional folding triangle ruler capable of drawing 90-degree angles, horizontal lines, vertical lines, and equidistant center points. Adjustable positioning knob ensures consistent spacing between intersection points and edges. Suitable for marking slopes, beveling roof rafter ends, and cutting beaks. Practical Tool Set: Ideal for DIY enthusiasts, crafters, and builders. A versatile metal tool set essential for any toolbox.