9-part adjustable

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Description:

Compass Math Set, It is a zinc alloy compass. 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.
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
The extension beam for drawing large circles, great for those need to big circle. Also includes a small can be used in the slip handle or separately
Everything packaged nicely in reusable clear case to protect and keep tools in place, easy to carry and store
Excellent for use in school or at home. The drawing tool for engineers, draftsmen, teacher, student, artist, mathematician, carpenter etc.

Specification:

Material: Zinc Alloy

Package Includes:

3 Pieces Graphic Compasses
1 Piece Extension Bar
1 Piece Drawing Pen
1 Piece Compass Refill
12 Pieces Refills
2 Pieces Replacement Pins

Note:

Color might be slightly different due to the color calibration of each individual monitor.
Please allow slightly measuring deviation due to manual measurement.

Drawing Compass;Adjustable Precision Drawing Compass Set;Professional Geometry Compass Drawing Tool;Circle Drafting Compass with Extension Bar;Architecture Math Geometry Compass Pencil;Student Engineer Worker Stationery Supplies