Pilot "Acro 1000" is a knock-type oil-based ballpoint pen that uses a low-viscosity oil-based ink "Acro Ink", which features smooth writing and smooth writing.The unique low-viscosity hybrid ink in Pilot's Acroball pen has the vibrancy of gel ink and the quick-drying and water-resistant properties of conventional ballpoint ink. The result is vivid, long-lasting lines whenever you write and draw. A blend of ink and lubricants ensures that the ball at the pen tip rotates smoothly, creating a gliding, no-skip writing experience. The "Acro 1000" is finished with matte paint and has a high-quality design that can be used in business and formal settings. Despite being a slim body with a shaft diameter of 9.8 mm, the shape of the grip part is tapered and metal is used, so the center of gravity is located in front, making it easy to grip and stable writing. The color of metal parts such as clips is silver, which is an accent of the design.