This compact, self-measuring Rotape Beam Compass draws circles or arcs with a 3-1/2″ to 72″ radius. Set the tape at the desired radius, locate the center point and draw your arc or circle. The positive locking tape retracts into the compass body like a tape measure. It also works as a marking gauge for straight or parallel lines. Includes compass centering pin, collet and pencil lead.

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