MB Pen Compatible Rollerball Pen For Capped Rollerball Pens Medium Nib 10 Pieces Blue Water-Based - - 0.7mm -

*Quantity: 10 (5 blue + 5 black) *Pen tip: Medium (0.7mm) *Size: Total length approx. 113mm, shaft diameter approx. 6mm *The tips are screw-on and suitable for rollerballs (cannot be used with "LeGrand Rollerball Refill" (Big for LeGrand). These are only suitable for capped pens, not for twist action pens. Also can be used with "LeGrande" ballpoint pens. *Cannot be used with oil-based ballpoint pens. " The refill is not manufactured by. This is the most common pen refill, but please make sure the image matches the refill you have and that the length is 3.75/9.84cm before ordering.