• Carpenter's square set that includes 1 square of 185 mm, 2 carpentry pens, and 12 refills. • Made of high-quality aluminum alloy, with black paint resistant to oxidation. • Precise angles of 90° and 45° for exact measurements. • Professional tool with precise and clear scales, meeting industry standards. • Improves efficiency with a 22 mm wide bottom edge to reduce measurement errors. • Wide range of uses in carpentry without the need for multiple tools. • Includes carpentry pens in black and red colors, and refills in the same colors. • Manual dimensions with possible small errors.