MATERIAL Made of aluminum alloy, the dovetail marker is strong and durableACCURATE The dovetail marker is marked with an accurate scale to help better display size and scale. It makes laying out angles simple and preciseRATIO One side of the dovetail ID mask is 1:5 for softwoods and the other is 1:8 for hardwoodEASY to USE Compact and lightweight, the dovetail guide tool is easy to use and you can easily score washer tails for wood jointsAPPLICATION Suitable for cork, hardwood and other types of wood, convenient to use, very suitable for beginner carpenters Features: Made of premium aluminum alloy, sturdy and durable.Excellent small Handy tool for carpenter, easy to mark precise dovetails. Accurate scale, helps to improve work efficiency. Easy to use, marked for hardwood or softwood. Suitable for furniture making enthusiasts and of woodworking. Specification: Material: Aluminum alloy Weight: about 16g/0.6oz Size: Approx.6.5*2.2*1.8cm/2.6*0.9*0.7inApplication: Woodworking Package List: 1*Dovetail Guide Note: Please allow slight error due to manual measurement .Thank you for your understanding.