SciencePurchase Large Marking Wing Divider Pencil Marking Compass Circle Maker Scriber, Up to 30 Inch Marking Diameter;

This wing divider is ideal for measuring diameters along or accurately reproducing arcs and circles! this divider tool features a lockable wing to easily repeat measurements and a pencil holder for use as a compass. Get precise diameters for a variety of projects with this handy wing divider! pencil holder for use as a compass lockable wing for repeat measurements marking diameter: 1/2 to 30 inch leg length: 12 inch