Stair Gauge: This stair gauge is compatible with , framing or carpentry square, revolutionizing the way you approach stair stringer marking and repetitive right-angle measurements Construction: Crafted from premium CNC-machined anodized aluminum alloy, these framing square stops boast unparalleled durability and resilience against rust, , and wear Portable & Organized: Designed with user convenience in mind, the framing jig feature a clever anti-loss holder and a compact hook, allowing for hassle-free carry and storage Multi-Purpose Utility: form your carpentry game with these versatile stair gauges. Used as a frame square attachment, utilize the stair gauge knobs with circular saws, layout stair stringers, mark repetitive angles on carpenter's squares, and even guide saws for precise angle cuts Product Specifications: each measuring 1.85x0.71x0.71 inches, with holder and hook, total weight 2.56 oz (72g).Stair gauge for , framing squares, triangle square, rafter or carpenter squares under 0.315Inch (8 mm) thickness Color:Blue Material:Metal Package Contents: 1 set * Tall Stair Gauges Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.