Adjustable  circle drawing: It can be adjusted, can be large or small.Suitable for woodworking enthusiasts and a good helper for designers.The max diameter of circle can be drawn is about 12.5cm/3inch.
Easy To Use: The diameter turn to larger by rotating clockwise, smaller by roteting counterclockwise. This is an easy to carry plotter, precision gauge, and can be used in industry.
 
Multipurpose: Round circle template ruler tool is a great tool for students, carpentry. Can be used as a 360 metrics for students and school students. Also ideal for engraving, carpentry, sewing, sewing and hoist design.
 
Best Tools: Various sizes of round, rotatable plotting round ruler, creative round plotting ruler, measuring plotter, measuring plotting through solution.
 
Specification：
 
Material：Aluminum alloy and stainless steel
Variable control diameter: 1-7cm
Product outer diameter: 12.7cm