Alvin® Jet-Bow Beam Combination Drawing Set
A high-quality compass set is essential for enabling you to create precise and accurate design or drafting, and the Alvin Jet-Bow Compass Set delivers. With expertise in the technical drawing instrument business since 1950, Alvin places significant value on reliable, cost-effective equipment and customer satisfaction.
The set includes: 6-inch speed compass and 4-/12-inch bow compass with an interchangeable pen, replacement points, pencil and divider accessories; 6-inch slide coupling and beam bar for circles 28 inches and smaller; and a 6-inch friction divider with a auto-center gear head and additional needle points; a holder for mechanical lead. All of the instruments and accessories are organized in a transparent, durable plastic case for convenient storage.