Alvin 961B Ungraduated Beam Compass, Ideal for Geometry and Engineering, Drawing and Architecture Tool - 13 Inch

Alvin 961B Ungraduated Beam Compass, Ideal for Geometry and Engineering, Drawing and Architecture Tool - 13 Inch

• Easy to Use - Exactly what an artists, student, crafter, or hobbyist needs, this tool can be used as a 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.
• Extra Features - Comes with two 13-inch non-graduated beam bars and includes spare leads and needlepoint, is also complete with interchangeable ruling pen, pencil, and divider legs.
• Conveniently Packaged - Comes in a hard, see-through plastic case for portability and easy storage and transport.
• Premium Quality - Made in Germany, each tool is constructed with heavy-duty materials and finish that can resist stains and tarnishing. Ideal for long-lasting use.

Includes two 13-inch ungraduated beam bars and one coupling to accommodate circles up to 48 inches diameter. Spring-loaded thumbwheel on the top of each slide assembly allows for smooth and precise adjustments. Comes complete with interchangeable ruling pen, pencil, and divider legs. Includes spare leads and needlepoint. Packaged in a protective case with clear cover.