High quality dovetail tool - Dovetail gauge is made of strong aluminum alloy, which is lightweight, wear-resistant and corrosion-resistant. The surface of the ruler body has been specially treated, and the ruler body is thickened has a higher compressive strength. Dovetail Marker is durable and not easy to break, so it can be used for a long time. 2 Different Ratios- Dovetail Marker has scales on both sides, the scales are clear and accurate, and have two different ratios, 1:5 ratio is suitable for softwood and 1:8 ratio is suitable for hardwood, that can meet your different needs. The dovetail gauge is easy to use and can improve your work efficiency. Safety Edge- Dovetail guide has been carefully polished and polished. The edge thickness is 0.3 mm. The corners are smooth and not sharp, giving you more security. Dovetail Marking Gauge has 4 sharp corners. Please place properly to avoid falling and injury. Easy to Use- The dovetail gauge features a handle that can be attached to the edge of the board to slide for your convenience. The handle can be tightly attached to the board, so you don't have to worry have to make about mistakes caused by the movement of the dovetail ruler. The dovetail gauge is small and lightweight so you can easily take it with you anywhere. Practical Woodworking Marking Tools- The dovetail gauge can quickly and accurately mark the slope of the dovetail, which is suitable for splicing sheet metal, repairing cracks and right-angle joints. High quality Dovetail gauges have precise proportions and good quality that can help you in your work.