This is an essential tool for woodworking enthusiasts. The product is made from high-quality materials, with compass tips constructed from 45# steel for durability. Its compact size allows for easy portability, making it convenient to carry and use anywhere.Features: This compass features an adjustable radius for precise and convenient adjustments. It is ideal for drawing lines with accuracy and offers a comfortable user experience. Available in two sizes: large and small, allowing you to choose the option that best suits your needs. The large model has a maximum radius of 750mm (29.5 inches), while the small model has a maximum radius of 450mm (17.7 inches). The compass is lightweight and compact, ensuring easy transport and storage. The tips are made of 45# steel, known for its high strength, resistance to deformation, and long service life. The radius can be adjusted up to 180 degrees, allowing for flexible customization. Equipped with a rotary switch to adjust and control the pen holder length. The body is constructed from zinc alloy and plastic materials, enhancing durability and performance.Specifications: Material: Plastic Type (optional): Type 1: Small Type 2: Large Maximum Radius: Type 1: 450mm / 17.7in Type 2: 750mm / 29.5in Unilateral Length: Type 1: 250mm / 9.8in Type 2: 400mm / 15.7in Model Dimensions: Type 1: 250 x 900mm / 9.8 x 35.4in Type 2: 400 x 1500mm / 15.7 x 59.1in Package Size: Type 1: 260 x 30 x 30mm / 10.2 x 1.2 x 1.2in Type 2: 460 x 30 x 30mm / 16.1 x 1.2 x 1.2in Package Weight: Type 1: 210g / 7.4oz Type 2: 260g / 9.2oz Packing List: 1 x Divider