Jetstream 4&1 Body Color: Navy Multicolor Ballpoint Pen: Black, Red, Blue, Green Ballpoint Pen: 0.5mm Mechanical Pencil: 0.5mm You can use it for a long time by purchasing replacement refills when the ink runs out! uni Mitsubishi Pencil 1100 yen (tax included) Five functions in one pen! This pen incorporates a 4-color ballpoint pen (ink colors: black, red, blue, green) + a mechanical pencil, making it convenient for writing and carrying. The Jetstream ink provides a smooth writing experience. The ballpoint pen uses "Jetstream," known for its "addictive, smooth writing." Simple appearance: The pen features a simple body color that fits both business and personal use. It has a sophisticated design that is a better fit for the main target audience, working adults. It will be wrapped in bubble wrap and shipped via Yu-Packet Post Mini. Please note that this item is stored at home, so there may be minor scratches that I may have overlooked. Please understand this before purchasing! Type: Multi-function pen Ink: Oil-based Popular Model: Jetstream Model Number: 4&1