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Square Disc 

The square disc is an innovative and versatile tool designed to take your drawing skills to the next level. Made with premium-grade stainless steel, this tool can withstand frequent use and is resistant to corrosion, rust, and wear and tear.

With its unique design, the spiral holes are angled at 10° intervals, allowing you to create precise and accurate drawings with ease. The tool measures 5 cm or 1.97 inches on each side, with an indent at the edge indicating the starting point at 27°, 63°, 82°, and 90° angles. By aligning the starting point and rotating the disc until the spiral hole matches the angle being measured, you can accurately determine the angle.

The square disc's sides also function as a ruler, providing a reliable way to measure lines. With this tool, you can create geometric shapes, technical drawings, and intricate patterns effortlessly.