100Pieces Replacement Fountain Pen Refill Cartridge 26mm Diameter _x000D_ Features: _x000D_ _x000D_ OOTDTY _x000D_ Discover the versatility of our Pack of 100Pcs Inks Cartridges, sufficienty quantity to meet daily writing and journaling needs. _x000D_ 3 different color: Black; Blue; and Black Blue. Diameter 2.6mm sacs, fit on most fountain pen, retractable inks pen, press fountain pen, fountain pen and more. _x000D_ Suitable for student, teacher, officer workers, business professional, women, men. _x000D_ dely used for writing, journaling, taking meeting notes, art handwriting practice, jotting down class lectures, signing important documents, or even as luxurious holiday present for friend and family. _x000D_ These fountain pen refill inks cartridges ensures versatility and convenience for all your writing needs, amking it essential accessories for your school office writing supplies. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Component: Inks _x000D_ Color: Black; Blue; Black Blue _x000D_ Size: Approx. 50mm/1.97in _x000D_ Weight: Approx. 197g _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 100Pieces 2.6mm Inks Cartridges _x000D_ _x000D_ _x000D_ Note: _x000D_ 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. _x000D_ 2.Due to difference between different monitors, the picture may not reflect the actual color _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_