Check the listing for details. Mr. Pen- Compass for Geometry, with Pencil, Drawing Drawing.... Condition: New. Listed at 14.10 USD. Mr. Pen- Compass for Geometry, Compass with Pencil, Drawing Compass Drawing Tool, Math Compass, Drafting Tools, Drawing Tools, Geometry Compass, Circle Drawing Tool, Geometry Set, Drafting Compass Product Details Manufacturer: Mr. Pen Brand: Mr. Pen Item Weight: 2.11 ounces Package Dimensions: 6.77 x 1.81 x 0.75 inches Item model number: PSMC001M329 Manufacturer Part Number: PSMC001M329 Mr. Pen compass is designed for mathematics and geometry, allowing for easy creation of perfect circles and precise arcs. This compass is versatile for various drawing and drafting needs, capable of drawing circles up to 9 inches in diameter. Built with robust materials, the compass features a sturdy hinge and a reliable screw adjustment to hold the radius firmly. Equipped with a sharp lead on one end and a needlepoint leg on the other, it can be used on different surfaces and materials for flexibility in use. The compass includes an ergonomic handle for comfortable use during long drawing sessions, ensuring steady control and accuracy.