Item Type: Wheel Marking Gauge_x000D_ Product Material: Aluminum alloy_x000D_ Scale: 200mm_x000D_ Function: Draw circle, draw line, measure height_x000D_ Uses: Can be used for ceramics, iron, acrylic, wood, glass and other materials 1STABLE GAUGE MOUNT: Sturdy mounted knob can prevent the gauge from rolling, more stable, you can use with confidence 2DURABLE ALUMINUM ALLOY MATERIALS: Aluminum alloy body with surface hard oxidation treatment, possess comfortable grip, wear resistant, scratch resistant, durable 3WITH CLEAR SCALE: Come with clearly visible scale, easy to measure and read, quick and easy operation, balanced feel 4LINEAR ARC DRAWING HEIGHT MEASUREMENT: Three use multi functional wheel marking gauge can be used to draw circles, lines, and height measurement 5FOR VARIOUS MATERIALS: Wheel marking gauge is suitable for ceramic, iron, acrylic, wood, glass and other materials, very versatile 1 x Scriber 1 x Pencil Pay attention to the protective rollers to prevent rust from getting stuck.