Mitsubishi Pencil Jetstream Edge Ballpoint Pen Refills, 0.28mm, Blue, 10-Piece Set, SXR20328.33

[Jetstream Edge] Ultra-fine tip that pushes the limits of oil-based ballpoint pens. The world's smallest ball diameter of 0.28mm, a first for oil-based ballpoint pens. [Ink] Ultra-low friction Jetstream ink [Pen diameter] 0.28mm [Ink color] Blue [Compatible] Jetstream Edge 0.28mm [Compatible products] SXR-1003-28, SXE3-2503-28 [Size] Shaft diameter Φ3.0 x total length 87.7 mm [Weight] 0.7 g [Quantity] 10 pieces