iGaging 6" DigiCompass Digital Electronic Compass and Divider Precision Measuring, Drawing & Marking Instrument Range 0-6" Radius, Accuracy: 0.01"/6" Inch/Metric/Fraction display reading Large LCD display Super Strong Poly-Fiber Jaws, Smooth metal thread movement Can be used with Pencil Leads or 2 Metal Divider Point (All included)