Mitsubishi Pencil Ballpoint Pen Refill Jetstream Multi-Function 0.7 4 Colors 2 Pieces SXR8007

Smooth writing experience that becomes addictive. "JETSTREAM" multi-color and multi-function replacement ink cartridge features: - Equipped with a groundbreaking ink that achieves a smooth writing experience with low writing resistance, compared to existing oil-based ballpoint pens, "JETSTREAM" provides a smooth writing feel regardless of writing speed. - Clear and dense lines: By combining color materials and pigments, it achieves approximately double the black density of conventional inks (black ink). - Excellent quick-drying properties: The newly developed ink easily absorbs into paper and dries quickly, reducing the stress of smudging that often occurs with traditional oil-based inks. - mechanism prevents ink leakage and backflow: Features a spring tip and twin ball mechanism. To accommodate the low-viscosity ink, it includes a spring tip that prevents ink leakage (flowing out from the tip) by pressing down on the ball. Additionally, the twin ball mechanism prevents ink backflow (ink flowing against the direction of the tip). "JETSTREAM" addictive smooth writing experience / ultra-low friction JETSTREAM ink included. Ink colors: black, red, blue, green Ball diameter: 0.7mm Compatibility: JETSTREAM multi-color and multi-function Compatible products: SXE3-400A-07, MSXE3-800-07, SXNT82-350-07, SXE2-300-07, MSXE4-600-07, SXE3-800-07, MSXE3-500-07, SXE3-507-07, SXE4-500-07, MSXE5-1000-07, MSXE5-2005-07, SXE3-400-07, MSXE3-1005-07 Size: Shaft diameter Φ3.0 × total length 87.7mm / weight 0.7g Quantity: 2 pieces of each color, 4 colors total.