Onwon Geometry Compass Set with Beam Extension Bar Combination Compass Kit for Solid and Plane Geometry Precision Tool for Drawing, Drafting, Math and Geometry
- Geometry compass set includes 2 bow compasses, an extension beam, interchangeable attachments, a slip handle for pens, pencils, stylus or markers. Ideal for studying drafting, architectural design, and construction engineering.
- Material: with this high quality steel metal compass allows you to accurately set the size of the circle you need and hold it. Do not using a cheap plastic compass that can’t hold the shape for even a single circle and forces you to have to try again.
- Extra features: includes a sharpener for container for lead, so as to easily be able to always have sharp lead for precise and accurate drawings of circles and arcs.Also includes a ruling pen attachment that can be attached to the included slip handle.
- Sometimes you need to think bigger: its arc can extend up to 22 feet in diameter by an extension beam which is attached to bow compass.
- Include 1 transparent plastic box, the size of box is 8.7 x 4.1 x 0.8inch, small and lightweight, convenient to put in schoolbag, briefcase or carry with you.