Description The LAMY st Black Tri Pen – A sleek cylindric writing instrument with spring-loaded strip-steel clip. Design: Gerd A. Mller Color/system identification ring and built-in eraser (LAMY Z 15) underneath the removable button. Fitted with ballpoint pen refill LAMY M 21 blue and red, propelling pencil lead 0.5 (LAMY M 41) HB.
