Product Description Features: Precision Marking & Scribing: The Woodworking Scriber Gauge is an indispensable tool for accurately marking and scribing your woodworking projects. Its T-square configuration ensures precise lines for superior framing and marking. Sliding Function: Equipped with a smooth sliding mechanism, this Marking Gauge allows you to adjust the ruler as needed, ensuring high precision for your work. Dependable Material: Constructed from aluminum alloy, this tool is built to endure rigorous use while consistently delivering excellent performance, making it a reliable staple for your woodworking tasks. User-Friendly Design: Designed with simplicity in mind, this tool is easy to use, even for beginners. It offers high precision and efficiency in all your woodworking marking needs. Multipurpose Tool: Beyond woodworking, this versatile Framing Ruler Tool serves a wide range of applications requiring exact scribing and gauging, significantly broadening your project possibilities. Specifications: Material: Aluminum alloy Color: Black Measuring Unit: Metric/Imperial Measuring Range: 0~210cm Optional Type: Type A: Caliper without Adjustable Knob Type B: Caliper with Adjustable Knob Type C: Staff gauge without Adjustable Knob Type D: Staff gauge with Adjustable Knob Package Included: 1 x Woodworking Scriber Gauge (Type as your choice)