Specification: Purpose: used in woodworking, craftsmanship, DIY, etc. Material: AluminumColor: BlackFeature:1. Large convenient small woodworking tools, easy to mark accurate queen page.2. Precision queen page layout, high-precision CNC processing.3. Four proportions of hardwood or cork markers.4. Aluminum alloy, black anodizing, white markings.5. The bottom corner and bottom are loosened to ensure accuracy.6. Hollow out the middle part to make it easier to use marking.7. The marker is able to mark a dovetail 1" in length and has two width-to-height ratios of 1:5 and a 1:8 ratio of 1; 5 is usually used in softwood and 1:8. Package Included: 1 x Dovetail Marking IndicatorNote: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow some differences due to manual measurement. Thank you for your kind understanding.