Single (1) Pack of 635 Mini D1 Ballpoint Pen Refills. Black/blue/green/red. Made by Schmidt. 

The D1 67mm pen refill is a standard pattern used in most multi-function pens and many compact or expanding pens. Made of metal with a hollow end for mounting on the pen, it measures 67mm in length and approx 2.3mm in diameter. With one end cap in each pack.

- Length - 2.6" (67.0mm) 

- Nib Size: Medium (0.7mm) 

This refill can be used with any pen that uses a D1 sized refill, including: 

Swarovski® D1 pens 

Cross (& other) Multi Pens like Tech3 & Tech4 

Lamy 

Dana Electric Zpen 

Monteverde 

Cartier® Mini Diabolo and Charm Pen 

Replacement for: 

Cross 8518-4 

Faber-Castell Multifunction Ballpen Refill 

Faber-Castell Multifunction Pen Stylus Refill

Lamy M21 Ballpen Refill 

Lamy M55 Tripen Marker Refill 

Lamy M70 IT Refill 

Monteverde Soft Roll Mini Ballpoint Refill Extra-Broad D15 

Monteverde Soft Roll Mini Ballpoint Refill Medium D13 

OHTO Needlepoint Multipen Refill Fine R-4C7NP 

Parker Multipen Highlighter Refill 

Parker Multipen Stylus Refill 

Pelikan 38 Ballpoint Pen Refill 

rotring Multipen Refill 

Schmidt 620M Megaline Pressurised Compact Ballpoint Pen Refill 

Schmidt S 635 Mini Ballpoint Pen Refill 

Schneider Express 56 Pen Refill 

Tombow BR-VS Ballpoint Pen Refill 

Tombow Outdoor Pen Refill BR-VMP 

Zebra 4C Ballpoint Pen Refill 

Zebra JSB Gel Refill 0.5mm 

Zebra Sharbo Refill Set