Zebra Pen V-301 Refill helps you extend the life of your favorite pen. The ultra-smooth ink you love is at your fingertips with this 2-pack of black ink refills in 0.7mm fine point. Never worry about running out of ink again with refills on hand. Vigorous quality assurance testing guarantees durable performance for all Zebra Pen products. Compatible with Zebra Pen V-301 Stainless Steel Fountain Pen. Effortless refill means you can get back to what’s important in your writing. Keep extras in your supply cabinet.