​Introducing the uni-ball ZENTO Standard Model, a pen that harmoniously blends innovative ink technology with a minimalist design, enhancing your writing experience with comfort and style.​ Key Features: Innovative ZENTO Ink: Provides a stress-free, soft writing feel with reduced smudging, ensuring clean and precise lines. Cushion Component (POA Surfactant): Acts as a cushion between the pen tip and paper, reducing writing friction by approximately 40% compared to conventional products. Attracting Particles: Draws ink particles together to minimize bleeding and show-through, ensuring crisp lines. Long Rubber Grip: Features an extended rubber grip that covers a broad area where fingers and hand rest, providing a comfortable and stable writing experience. Eco-Friendly Design: The pen body is made using recycled materials, reflecting a commitment to sustainability.  Personalized Color Selection: Offers a variety of colors to choose from, allowing you to select a pen that matches your mood, setting, or personal style. Specifications: Specifications Details Ink Type Water-based pigment ink Tip Size 0.38mm, 0.5mm Body Material Recycled resin Grip Material Rubber Dimensions Length: 139.9mm; Shaft Diameter: 11.2mm