Multifunctional Folding Triangle Ruler: Joiner's Square Folding speed square with a 6-inch folding extension arm that accommodates 6-inch or 12-inch layout requirements. When opened, the measuring distance increases; when folded, it reduces storage space for easy portability. Features both metric and imperial measurement units for added convenience. Adjustable Carpenter's Square Tools: The triangular ruler is bendable with adjustable angles. Use the adjustable positioning tool to freely select the desired angle. Once set, tighten the positioning nut and press the center pull rod for precise, secure alignment. Offers multiple measurement functions suitable for various applications. High-Quality Material Carpenter Square: Made from durable aluminum alloy with a matte black finish to reduce glare and provide resistance to corrosion and oxidation. Designed to be sturdy and long-lasting. Stainless Steel Needle Square Joiner Carpenter: Includes an internal magnetic ruler that stays securely in place. Features a concealed stainless steel scriber with a line indicator at the end, screw-fixed to the ruler body for durability and easy transport. Widely Used Speed Square: Functional folding triangle ruler ideal for woodworking tasks. Capable of drawing 4590 angles, balance lines, vertical lines, equidistant center points, and using the adjustable positioning knob for consistent alignment from edge to intersection. Useful for marking slope layouts, chamfering roof rafter ends, and creating bevels. Note: Measurements are manually taken; please allow 13 cm variation. Due to differences in lighting and display, slight color variations may occur. Product received may vary slightly from images shown.