The twist mechanism and refill of this multiple design award-winning writing instrument are made in Germany. The Drehgriffel Nr. 1 is precision-milled in aluminum 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 – Letterpress PLAY. Details: • Made from precision-milled aluminum and brass • Ceramic ball bearing • Stroke size 0.5 mm • Black ink