KOKUYO Ballpoint Pen Brass Pen KE-SP17

[External dimensions] Shaft diameter φ9mm x length 129mm [Body weight] 15g [Body material] Brass [Ink color] Black (water-based dye gel ink) [Refill] Please use Kokuyogel ink ballpoint pen refill (product number KGT-BPREG5D or PRR-EG5D) [Characteristics of the Brass pen] Based on a pencil auxiliary shaft with a simple design that fits comfortably in your hand, the surface oxidizes over time, resulting in a deep and soft color tone, making it a ballpoint pen that you will love. By removing the pen tip, ballpoint pen core, and spacer, you can use it as a pencil auxiliary shaft, allowing you to use your favorite pencil until the very end. [Characteristics of Brass] Brass is an alloy of copper and zinc, and is characterized by a beautiful golden appearance. Since ancient times, it has been widely used in architecture, furniture, hardware, arts and crafts, musical instruments, etc. One of the great appeals of brass is that its natural texture increases over time. It is also highly durable and can be used for a long time.