Permanent ink dries quickly. Applies permanently to almost all surfaces including glass metal wood and plastics. For use with Pilot Jumbo Refillable Permanent Markers (PIL43100 sold separately) . Pen Refill Type: Permanent Marker; Special Ink Type: Permanent; Refill For Series: Pilot Jumbo Refillable Permanent Markers; Tip Type: N/A.
I have this pen refills for ages. I am still happy and I am using Pilot 43500 INKREFILLF/PERM MKRSBK almost every day. This Pilot 43500 INKREFILLF/PERM MKRSBK was reffered by my friend.