The twist mechanism and refill of this multiple design award-winning writing instrument are made in Germany. The Drehgriffel Nr. 1 is precisionmilled in aluminium and brass, then varnished and sealed. It has a spring-loaded twist mechanism. The Drehgriffel Nr. 1 is available as Drehgriffel Nr. 1 - Ballpoint Pen β Letterpress PLAY. Details: β’ Made from precision-milled aluminium and brass β’ Ceramic ball bearing β’ Stroke size 0,5 mm β’ Black ink