Compass for Geometry Large, Professional Drawing Compass Metal Drafting Compass Kit with Extension Bar,Metal Compass…

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High-quality Compass Math Set: It’s a metal compass.Our geometric compass is equipped with an adjusting wheel and an extension beam with an automatic locking mechanism, allowing you to accurately set and hold the desired circle size
Professional Drafting Compass Tools:With Universal Adapter and Extension Beam For Math, Geometry, Art, Drafting And Drawing.By turning the middle of the screw to adjust the opening and closing compass. You can accurately set the size of the circle you need and hold it
Ideal for Student Math Classes :Excellent for use in school or at home. The best circle drawing tool for student, artist, mathematician, carpenter.It’s a great deal choice for math classes.Or as a gift for kids on Children‘s Day.
Easy to Install and Use:Everything packaged nicely in reusable clear case to protect and keep tools in one place in a backpack or desk
Drawing Compass with Extension Beam:The Extension Beam for drawing large circles(approciate 20 inch diameter), great for those need to big circle. Also includes a small pen that can be used in the slip handle or separately