Compatible with:

BK90

BK90L (R.S.V.P. Stylus)

BK93SP

BK77 (Superb)

Reuse your empty pen! Pentel 1.0mm, black ink, ballpoint pen refill. Reduce your environmental impact by using refills in your pens instead of buying new ones. Durable tip delivers a consistent line without skipping. Writes for over a kilometer. Two pieces per pack.