Protect the environment: FriXion cartridges are suitable for all refillable pens from the FriXion range, so you can only change the ink refill instead of the entire rollerball Pleasant and soft: our special gel blend and the particularly pressure-resistant stainless steel tip of the FriXion refills allow a soft and perfect writing experience, without scratching Infinite possibilities: from classic blue to bright pink – with 16 colours, the gel leads offer endless creative possibilities on any paper, whether white, dark or colourful Sustainable concept: the FriXion refill and their durable and pressure-resistant lead tips allow a long service life of our FriXion products Product details: FriXion refills 0.7 for FriXion Ball and FriXion Clicker 0.7, pack of 6, colour: black, ink: water-based gel paste, erasable, tip: conical stainless steel tip with tungsten carbide ball, medium tip