Copic Multiliner SP nib/ink refill changer tool.Long life is what makes SP pens so fantastic! This nip and ink refill changing tool makes this task quick and easy. Replace worn nibs and insert refill cartridges in Copic Multiliner SP pens quickly and easily. One end is for nibs, the other for refill cartridges. Never throw away your Multiliner SP pens. Copic SPCHGR nib changer, ink refill changer.