FeaturesPilot V7 cartridge system is the world\'s first refillable liquid ink needle tip rollerball pen0.7mm tip gives a 0.5mm medium line10 pens and 30 refillsMade from 71% recycled plasticBlackThe Pilot V7 10 Liquid Ink Rollerball Pens 30 Refills Medium Tip (Pack of 40) cartridge system is the world\'s first refillable liquid ink needle tip rollerball pen. Delivering a smooth and precise writing performance, these pens have a Hi-Tecpoint tip for precise, clear writing and a visible ink level to ensure that you can clearly see when to refill it. To help you do your bit for the planet, these pens are refillable and made from 71% recycled plastic. This pack includes 10 pens and 30 refills.