Pilot Ballpoint Pen BSRF BSRF80BB10B Oil-Based Refills, RexGrip, 1.6mm, Black, 10-Pack,

[Compatible body] RexGrip 1.6mm [Specifications] Oil-based ballpoint pen [Ink color] Black [Ball diameter] 1.6mm [Size] Maximum diameter φ3.1 x total length 97.8 mm / piece [Quantity] 10 pieces