50pcs Disposable Dia 3.4mm Fountain Pen Ink Cartridge Refills Bottle/Bag Set Blue/Black/Red School Office Stationery Supplies

Origin: CN(Origin)
Style: Refill
Refill Type: Gel Pen Refill
Model Number: 49782
Packing: As show
Writing Point: 0.5mm
Outer diameter: 5mm
Inner diameter: 3.4mm
Length: 50mm

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