The Alvin Basic-Bow Standard Drawing Set is a complete package for most drafting and drawing applications. It includes drawing instruments for creating circles with accuracy and precision including a six-inch basic-bow combination compass that features a split leg design and allows interchangeable pen, pencil, and divider parts. It can draw circles with diameter up to 10 inches. The set also comes with a 4 ½-inch pencil bow compass/divider with hoop spring tension design. Both compasses/dividers have center wheel adjustment and prevent overextension with a built-in spindle stop.
The Alvin Basic-Bow Standard Drawing Set is equipped with a six-inch friction divider with self-centering gearhead design. It resists tarnishing and provides replaceable needle points. With two replacement compass lead tubes included, this set is an economical and practical choice.