Pilot Frixion Ball Ballpoint Pen Refill LFBKRF120FBB 0.7mm Blue-Black (LBBKRF, 10-pack)

[Compatible Pens] Frixion Ball, Frixion Ball Knock, Frixion Waai Ballpoint Pen [Specifications] Friction ink [Ink Color] Blue-Black [Ball Diameter] 0.7mm [Size] Maximum diameter φ6.0 x total length 111mm/piece [Quantity] 10 pieces