[Material]: This product is made of CNC -machined anodized aluminum alloy. Enjoys Durability, Resistance, High Hardness, and Wear Resistance. design ensures comfortable use even during prolonged handheld operations, minimizing tiredness [Design]: The hexagonal flat design perfectly aligns with material surfaces at various angles, ensuring verticality and measurement accuracy. Equipped with a large blue non-slip thumbscrew, easy rotation for tightening and adjustments. Each set also comes with a holder and carabiner for easy portability, improving your work efficiency [Function]: This tool integrates a square framing attachment, a stair measurement gauge knobs specifically designed for circular saws, and capabilities for stairway stringer Layout structures. Quickly replicate angles using preset woodworking square markings and achieve precise angular cuts with the integrated guide mechanism, Weight: 0.41557136387 Pounds, Manufacturer: Frewurwer