Used for marking and measuring: The wheel-type marking tool can be used for marking and measuring depth, and is very practical. Equipped with stainless steel rod: Stainless steel sliding rod, wear-resistant and corrosion-resistant, sliding more smoothly. Laser scale: The scriber has a laser scale with a fine-tuning accuracy of 0.2mm to ensure accurate measurement and marking. Equipped with a mini wrench: Equipped with a mini wrench, it can be used to replace the hub blades, making the operation safer. For basic woodworking measurements: The maximum scale is 12cm, which can meet the basic measurement of woodworking depth. MAKE ACCURATE MARKINGS: To ensure accurate markings, use this brass wheel marking gauge, which features an engraved scale indicating Metric and Imperial measurements. PERFECT FOR EVERYDAY USE: This marking gauge will last a lifetime. Thanks to its solid brass body and hardened steel cutter. ANTI-ROLL DESIGN: Prevents this wheel marker from rolling on the workbench. It is equipped with an anti-roll brass housing with 2 flats on the head to prevent the meter from rolling. EASY ADJUSTMENT: The marking tool comes with a sturdy knob to ensure easy adjustment. The post has a V-groove that prevents the fence and tail from moving during use. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.