Mitsubishi Pencil uni Jetstream replacement lead 0.7 SXR-80-07 black 4 pieces multi-colormulti-function refill (3 colors 41 Prime compatible) paper

This is a replacement ink cartridge for the Mitsubishi Pencil uni "JETSTREAM" multi-color and multi-function ballpoint pen. The model number SXR-80-07 (0.7mm) is compatible with JETSTREAM 3-color and 4-color ballpoint pens, as well as 4&1 and JETSTREAM PRIME series, featuring smooth writing with oil-based ink. This product comes in paper packaging. The set includes 4 black cartridges, making it convenient for marking and correcting in studies, as well as for office checks, allowing for color-coded use. Please check the replacement cartridge model number (SXR-80-07, etc.) in your pen, as there are many compatible models. Compatibility is also indicated in the manufacturer's compatibility chart. Model number: Mitsubishi Pencil uni JETSTREAM replacement cartridge SXR-80-07 (paper packaging) Ballpoint diameter: 0.7mm (standard) Size: Shaft diameter approximately 3.0mm × total length approximately 87.7mm (multi-color and multi-function standard) Ink color: Black Compatible examples: JETSTREAM 3-color, 4-color, 4&1, PRIME series, etc. (recommended to check with the model number of the cartridge in the pen)