BLE and adjustable design: This multifunction drafting tool features an adjustable grip that improves control, allowing it to trace and copy irregular shapes more accurately than traditional wood joints. Slide or twist the grip to achieve precise measurements, so you can easily follow curves and angles on complex woodworking projects. Four convenient modes: Outline, Line, Circle, and Edge-Ruler mode. Each mode is easily switched and offers versatile functions that both beginners and experienced woodworkers will appreciate. Whether you need to outline cabinet edges or follow complex contours, this tool covers your creative needs. Quality aluminum alloy construction: Made from premium aluminum alloy to withstand heavy use in woodworking and DIY projects. Its corrosion-resistant properties ensure durability and reliability, providing a tool that can endure demanding environments without compromising performance. User-friendly: Designed to eliminate guesswork. It reproduces exact contours, parallel lines, and arcs based on your design intent. The simple design emphasizes function and enables precise results without extensive training or prior experience. Use scenarios: - Trace cabinet door edges or face frames to ensure consistent contours across multiple pieces. - Copy complex templates onto plywood, MDF, or solid wood for accurate patterns. - Plan and lay out curved shelves or drawer fronts that require precise radii and alignment.