Description:

10pcs Fountain Pen Ink Supply Container Cartridges 4mm(Without ink)
It's a good the pen's old suction hose.
Easy to carry and replace.
Good Gifts for family student friend etc.
Material: Plastic

Size Chart:

Joining size: Approx. 4mm/0.16inch

Total Length(approx.): Approx. 66mm/2.6 inch

Package Includes:

10 Pieces Fountain Pen Ink Supply Container Cartridges

Note:

Due to the difference between different monitors, the picture may not reflect the actual color of the item.
Due to manual measurement, there may -2mm error in size.