Refill for Fisher Space Pen SPR4 - Bold, 1.3 mm

Refill for Fisher Space Pen from the PR (Pressurized Refill) series with a line width of 1.3 mm, lasts three times longer than ordinary refills. Each refill writes more than 3,600 m depending on the surface and writing style. The model fits all pens offered by the manufacturer, except for Q4.

The set includes a white adapter that extends the refill by an additional 2.5 cm, so it will successfully fit Parker pens and other similar ones.

Features:

• Writes 3 times longer than an ordinary refill;
• Writes underwater, at any angle and at temperatures from -35° C to 121° C;
• Very hard tungsten carbide ball;
• Thixotropic ink, hermetically sealed in a pressurized reservoir;
• Moving internal separator separates the ink from pressurized nitrogen;
• Includes an adapter that fits Parker pens;
• Available in various colours and writing widths (fine, medium);
• Refill length: 8.9 cm;
• Cap length: 2.5 cm;
• Line width: 1.3 mm;
• Ink colour: black.