• 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
• Knurled thumbwheel with fine threads provides exact sizing and resists movement to help ensure accuracy
• All steel construction with nickel plated finish, chrome plated needle point, and knurled aluminum handle
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