TWSBI Piston Ink Converter for Fountain Pens - Premium Refillable Ink Supply for Smooth Writing | Ideal for Artists, Students & Professionals

Convert your SWIPE fountain pen into a top-of-the-line writing instrument with our Standard International top hole fitting. By holding more ink than a typical converter, you'll experience longer writing sessions and fewer interruptions.

Specifications
- Type: Ink Piston Converter
- Ink Capacity: 1.5ml
- Compatible With: SWIPE Fountain pens