Keep your writing seamless and uninterrupted with the Writech Space Up Fountain Pen Ink Cartridges Refill Pack. Specifically designed as a replacement ink supply for Writech's Space Up and retractable fountain pen line, this refill set ensures rich, bold black lines without skipping or clogging.

Formulated with high-quality, quick-drying water-based ink, these cartridges provide a clean, mess-free writing experience whether you are jotting down daily notes, journaling, or working on professional documents. The simple plug-in replacement mechanism allows you to swap out empty cartridges quickly and effortlessly.

• Vibrant & Consistent Flow: Delivers deep black ink with smooth, skip-free laydown.
• Clean & Easy Replacement: Designed for mess-free installation in just a few seconds—simply pop out the spent cartridge and snap the new one into place.
• Reliable Formula: Engineered to help prevent premature drying inside the cartridge or pen barrel.
• Compact Packaging: Comes packaged in a convenient tuck box (5 pieces per pack) for easy storage in pencil cases or desk drawers.

Specifications: 

• Brand: Writech
• Product Line: Space Up™ / Retractable Fountain Pen Refills
• Model / Part Number: W-1020-5
• Ink Color: Black
• Ink Type: Water-Based Fountain Pen Ink
• Quantity: 5 Cartridges per Pack
• Refill Mechanism: Proprietary Direct Plug-In Cartridge
• Compatibility: Writech Space Up™ Fountain Pens (W-7154 series & compatible Writech retractable models)
• Package Dimensions: L 6cm x W 1cm x H 8cm

SSP-10100239