Feature: 1. High Accuracy Measurement: This dovetail saw gauge undergoes fine machining, ensuring accuracy in every angle and distance measurement, suitable for woodworking and furniture making 2. Versatile Design: This dovetail jig marker features multi specifications, is suitable for marking straight lines and complex shapes like diagonals and arcs, catering to a wide range of applications 3. Easy to Operate: Provides 1:4 1:5 1:6 1:7 1:8 1:9 dovetail modules, 45° and 90° angle modules, with a simple and intuitive design, even beginners can quickly grasp its usage, enhancing work efficiency 4. Sturdy Materials: Made of aluminum alloy and ABS material, these dovetail marker modules boast excellent wear and erosion resisting, ensuring long lasting performance over an extended period 5. Wide Application: This manual dovetail gauge set is suitable for all types of wood, including hardwood, softwood, and composite materials, it stands as an essential professional tool for carpenters Specification: Item Type: Dovetail Saw Gauge Set Material: Aluminum Alloy, ABS Frame Opening: Approx. 34.5mm / 1.4in Dovetail Module: 1:4 1:5 1:6 1:7 1:8 1:9 Angle Dovetail Module: 45° 90°. Package List: 1 x Guide Gauge Body 8 x Modules Note: There is a slight error in size.