Alvin Co Germany Ruling Pen #928 Drafting Drawing Instrument tool

Alvin Co. Germany ruling pen #928 drafting/drawing instrument in used condition. Good pre-owned condition with signs of use and a worn original box. Metal nib and adjustable holder suitable for technical drawing and calligraphy. Measures 4.75 inches long and 0.25 inches in diameter. Item weight: 0.18 (weight provided by seller).