Set contains 1 x ZEBRA Blen4+S 0.5mm multifunction pen White body (B4SAS88-W) + 4 x SNC-0.5 Refills (RSNC5-BK, RSNC5-BL, RSNC5-R, RSNC5-G) + 1 x Black slim pen case Unshakable Writing Experience: The unique "blen System" incorporates a low center of gravity design, direct touch functionality, and noise-free construction to prevent tip shaking and ensure a stress-free writing experience. For those managing various tasks in their daily life, this multifunctional pen allows for color-coding and organizing with just one tool. Smart Design and Portability: Equipped with a binder clip and eraser, its movable design easily attaches to thick papers, making it conveniently portable. The slim and compact body is easy to grip, even for those with smaller hands. Vibrant Emulsion Ink: Utilizing a combination of emulsion dye and pigment, the ink offers a smooth writing experience and vivid colors. With black, red, blue, and green four-color ballpoint pens plus a mechanical pencil, it meets all writing needs. Diverse Colors and Functionality: Available in eight barrel colors with options for SNC-0.5/0.7 refills, allowing for customization to individual preference or purpose. This 5-function pen serves various roles, from professional to student life, catering to everyone's needs. Innovative Design and User Appreciation: In collaboration with Nendo, led by Oki Sato, the pen features an ergonomic shape and seamless design for fatigue-free use. Surpassing 50 million units in series total sales, it has achieved a satisfaction rate of 94%.