ALVIN 505V Basic-Bow Combination Compass with Beam Bar, Ideal for Geometry and Engineering, Drawing and Architecture Tool - 6 Inch

Easy to Use - This compass is exactly what an artists, student, crafter, or hobbyist needs. It can be used as a basic drafting or drawing instrument for both projects and artwork. , Ideal for Students - Perfectly useful for all levels, whether for geometry class, drafting, architectural design, construction, or engineering. , Multipurpose Tool - Exactly what you need for a number of projects including bisecting angles, constructing geometric shapes perpendicular lines, parallel lines, triangles, circles, geometrical shape. , Extra Features - Includes a sharpener for sharpening the point of the lead so you can always create precise arcs and circles. Also includes a small container for lead, as well as interchangeable pen,, Conveniently Packaged - Comes in a hard, see-through plastic case for portability and easy storage and transport.