- Exceptional Performance: Experience seamless writing with this knock-type oil-based ballpoint pen. Its design ensures that the ball at the tip rolls smoothly, providing a reliable and steady ink flow even when writing upward. - Versatile Usage: this pen delivers impeccable performance. It's an excellent choice for outdoor job sites and adventurous note-takers. - No Smudging, Just Clear Lines: Even with quick writing, the lines remain crisp and clear without any smudging, making every note legible and precise. - Visual Ink Monitoring: The transparent pressure refill system allows you to visually check the ink level, so you're never caught off guard with an empty pen. - Comfort Grip: Featuring a newly designed rubber grip with a grid pattern of fine 0.16mm slits, this pen provides an exceptional fit to your hand, ensuring a slip-resistant and comfortable writing experience. - Eco-Friendly Material: Constructed with recycled PC resin for the shaft and clip, and accompanied by a rubber grip, this pen is a blend of functionality and eco-consciousness. - Specifications: - Dimensions: [Body] Width 16.6 x Depth 12.4 x Height 144mm, [Ball] Diameter 0.5mm - Weight: Approx. 13g - Ink: Oil-based - Material: [Shaft & Clip] Recycled PC Resin (with rubber grip)