1. Scribing tool for woodworking with anti-roll design - Keeps the wheel marking gauge from rolling off the workbench, reducing slips and improving control during marking. 2. Dovetail marking with adjustable cutter - To set the mark width, loosen the front locking knob and push the cutter to the desired size for precise dovetail layout lines. 3. Scriber for woodworking with retractable wheel - The wheel retracts into the front for protection and easy vertical storage, allowing safe handling and compact storage when not in use. 4. Copper plug-in gauge with durable construction - Unlike other tools that warp or break, this marking wheel gauge is designed for a lifetime thanks to its solid copper body and hardened cutting tool. Practical use scenarios - Dovetail work: Set the mark width by loosening the front locking knob, adjust the cutter to the required size, and scribe accurate dovetail layout lines on cabinet sides or drawers. - Edge to edge scribing: Run the wheel along the edge of stock to scribe clean, consistent lines for saw cuts or layout references on boards of various thicknesses. - Safe storage and transport: Use the front retractable wheel feature to protect the cutting edge during storage or transportation, keeping the tool in good condition and preventing accidental nicks.