erofa Hongdian Fountain Pen Set Ink Cartridges Pink 30 Pack 3.4 mm Bore

Key Features

• Brand: erofa
• Product: Fountain Pen Ink Cartridges
• Color: Pink
• Quantity: Pack of 30
• Bore Diameter: 3.4 mm
• Compatibility: Designed for replacement in compatible fountain pens that use cartridge feeds

Specifications

• Ink Type: Cartridges
• Color Family: Pink
• Material: Plastic cartridge with puncture seal
• Usage Note: Inserting keeps the seal intact until punctured by the pen feed

How to Use

• Insert cartridge into the pen nib end with sufficient pressure to create a snug fit.
• The internal pin punctures the cartridge seal, allowing ink to flow into the feed.
• Screw the barrel back onto the pen body to secure the cartridge.

Additional Information

Ink saturation may take a moment after installation. If writing is slow to start, gently swing the pen to encourage initial ink flow.