LAMY M16 FINE Tip Ballpoint Refill 0.7mm BLACK – (Single) The refill is made from a metal casing which makes it a durable and long lasting refill This refill is compatible with all LAMY ballpoint pens except LAMY Scribble and LAMY Pico ballpoint pens. The ink is protected inside a durable metal casing. This refill has a medium sized nib. The tungsten-carbide ball will ensure that the writing quality stays consistent until the ink runs dry. The ink is black. The ink is waterproof, non-toxic and will not bleed. Made in GERMANY