Lengthened size: Suitable for stair stringer layout, rafters layout, and similar tasks. Can be easily used on various surfaces, especially when working with wood that has gaps. Recessed incisions: Aligned with specific ruler marks on the frame square. When the corner cutter is fully inserted, the ruler marks remain visible through the recessed incisions, improving visibility. Multiple functions: Useful for stair stringer and rafter layout, circular guide frame square accessories, marking repeated angles on a square, and guiding the square for cutting. Aluminum alloy stair gauges: Made of anodized aluminum alloy. Provides increased friction and enhanced performance. Dedicated storage: Equipped with a wire rope for secure and convenient storage, helping prevent loss. Lightweight and easy to store. Can be hung on work bags, tool storage panels, or storage racks. Size: 0.73 x 25 mm / 2.87 x 0.98 inches Color: Red Material: Metal Package Contents: 1 x Holder 2 x Accessories 1 x Portable Clip Only the items listed above are included; other products are not included. Note: Lighting reflections and different display settings may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.