High quality professional grade compass/divider for design work， math， geometry， art， drafting drawing and more. Precision designed with spring bow fulcrum， and fine threaded rod and center wheel to create near perfect circles up to 10 inches (250mm) in diameter.
Features
- All steel construction with nickel plated finish， chrome plated needle point， and knurled aluminum handle
- Includes spare screws and 3 replacement pencil tips
- Knurled thumbwheel with fine threads provides exact sizing and resists movement to help ensure accuracy
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