EnerGel Pro Permanent Liquid Gel Pen. Black Ink, 0.7mm medium. 3 pack includes1 free pen

• Retractable and refillable. (LRP7 refill) 
• Permanent Waterproof, fraud-proof and fade-proof ink.
• Pigmented ink, perfect for archival documents. 
• latex free grip, for writing comfort.
• Ultra smooth fast drying ink. Left handed users love it.