Blue Monteverde Rollerball to fit CROSS Rollerball Pens Blue Ink Rollerball Refill to Fit CROSS Type Rollerball Pens Precision engineered from USA High quality metal parts with Nickel plated brass tube and Swiss tip Length: 4.42 inch (112.20mm) Nib Size: Medium (0.7mm) Refill Reads: Monteverde USA Rollerball - C22