ACME Ballpoint Pen & Rollerball Brand X Adrian Olabuenaga COMPOSITION P6AO65RB/RR [Size/Weight] ・Length: 144mm, Shaft Diameter: 11mmφ, Weight: 40g [Mechanism] ・Twist type ・Ballpoint pen/Rollerball pen compatible [Accessories] ・Oil-based refill/Water-based refill, 1 each ・Original dedicated case [Designer] ・Adrian Olabuenaga Although this item is unused, it has been taken out of the box for photography, so please understand this before purchasing. - Brand: ACME A new series with the theme of "X," which means infinite possibilities. Designed by famous designers and architects from around the world. ACME brand's first twist-type oil-based ballpoint pen. By replacing the included refill, it can also be used as a water-based ballpoint pen. "COMPOSITION" is a design by ACME founder Adrian Olabuenaga. The blue and red lines are based on the loose-leaf refill paper often used in America. [ADRIAN OLABUENAGA] Born in Buenos Aires, Argentina in 1955. Representative and designer of ACME Studio. In 1985, he established ACME Studio in Los Angeles with his wife, Leslie Bailey. Currently, he has moved ACME Studio to Maui Island, Hawaii, and continues to release ACME pens, card cases, and other original accessories through collaborations with over 150 designers. He is also active as a designer in various fields such as products and interiors. Thank you for viewing.