Size: come with 8 pack 4" router templates, features 8 Butterfly shape--Height(0.6",0.8", 1", 1.1", 1.4", 1.5", 1.8" and 2"), with 0.17" good thickness, allowing for accurate and repeatable cut.Package Content: 8 pack oval inlay template. Suitabel for woodworking, drawing and more. The transparent ruler can help you see your project through the ruler to make sure you cut on the right line.Material: The clear drafting stencils set is made of quality plastic, durable and sturdy, not easy to break and crack, with a certain thickness controlled, adopt metric system, use inch as scale unit.Easy to Carry: With its flat appearance, you can clip the rulers in the interlayer of notebook or book at will to meet your different needs for daily use and measurement in work and study. ery suitable for both backpack and work bag.Application: These templates can be applied in school, home, library, study room, office etc. Perfect measuring tool for students, artists, designers, architects, engineers, mathematics, network technique, fractional measurement, Contractors, or school learning,and more.