LEUCHTTURM1917 - Drehgriffel Nr. 1 - Ballpoint PenThe Drehgriffel Nr. 1 is a ballpoint pen made of precision milled aluminium and brass, lacquered and sealed. It contains a spring loaded twist mechanism. To change the refill, simply unscrew the twist head. The royal blue flow refill (thickness B), which has a particularly light and flowing writing characteristic, is available as a replacement refill in the colours royal blue and black. Details: Ballpoint pen made from precision milled aluminium and