Alvin, PA305, Wood Pantograph Drawing Tool with Table Clamp and Four Spare Leads - 18 Inches, 20 Ratios
Create enlarged or reduced drawings up to 10x scale. Features arms made from seasoned hardwood and chromed steel hardware and components. Includes table clamp and four spare leads. Not designed for 1:1 ratio. 1/box. 18 inches , 20 ratios