Ultra-fine tip featuring a 0.7mm-sized ball enabling precision writing for planners and technical drawings. 0.7mm-sized balls for versatile application at work or school. Self-developed, precision stainless steel tip with superior durability and gel ink that enables you to draw solid, fine lines. Unique twin-ball mechanism prevents ink backflow and leak. Rubber grip that fits comfortably in your hand for ultra-fine precision and fatigue-free writing.
* Tip: Stainless steel
* Ball: 0.7 mm tungsten carbide ball
* Barrel: Plastic (AS) & Elastic rubber grip
* Ink Colour: 3 colours (Black, Blue, Red)