【Material】: Made from aluminum alloy, this stair gauge is designed for heavy-duty use while maintaining precision and accuracy. 【Lightweight and Portable】: Measuring 1.04 inches x 0.51 inches x 0.51 inches and lightweight, this framing square stop is easy to carry, making it ideal for both professional and personal use. 【Staircase Measurement Tool】: This stair gauge functions as a staircase measurement device with layout marking capabilities, providing accurate measurements for staircase construction or renovation. 【Wide Application】: Suitable for framing squares, stair layout, rafter layout, and marking repetitive angles. 【Package Included】: 1 stair gauge in red color. Specification: 2.65 cm x 1.3 cm x 1.3 cm / 1.04 inches x 0.51 inches x 0.51 inches Note: Slight variations of 1-2 cm may occur due to manual measurement.