Pilot Ballpoint Pen Refills LFBKRF FriXion Ball 3 Refills x 10 Packs LFBKRF300M30L 1.0 Blue,

[Compatible Pens] FriXion Ballpoint Pen, FriXion Ballpoint Knock Pen, FriXion Waai Ballpoint Pen [Specifications] Friction ink [Ink color] Blue [Ball diameter] 1.0mm [Size] Maximum diameter φ6.0 x total length 111mm/piece [Quantity] 3 pieces x 10