Alvin Jet-Bow Compass Set

Excellent for precise and accurate drafting or design work, the Alvin Jet-Bow Compass Set includes a 6" speed compass and a 4-1/2" bow compass with an interchangeable pen, replacement points, pencil and divider accessories. It also includes a 6" beam bar and slide coupling for circles up to 28"; a 6" friction divider with a self-centering gear head and replaceable needle points; a mechanical lead holder; a slip handle for spare ruling pen; a lead pointer; and a screwdriver. All of the tools come organized in a durable, transparent case for convenient storage and transport.