Pentel Hybrid K178 Gel Rollerball Pen Red (Dozen)
A medium line pen featuring a new formula for smoother-flowing gel ink. Stainless steel tip writes rich, vivid, medium lines. Superior ink is waterproof, fade proof and permanent. Acid-free ink formula will not affect pH level of paper. Perfect for wills, checks, contracts and any document that must withstand the test of time. Available in black, red and blue ink. Refillable with Pentel KFLS8 refill cartridge.