The Monami FX-4000 is a high-quality ballpoint pen refill produced by South Korea's most recognized stationery brand, Monami. Engineered with precision ink technology, it provides smooth, skip-free writing and consistent ink delivery.

This refill is expressly designed as a perfect fit for the legendary Monami 153 ballpoint series, including the 153 Classic, 153 ID, 153 Neo, 153 Black & White, 153 Respect, and FX153. Because it utilizes an international standard size format, it is also highly versatile and compatible with many other global pen brands that accept standard standard-size refills.

Specifications

• Brand: Monami

• Model: FX-4000 Refill

• Origin: Made in South Korea

• Tip Sizes: Available in 0.7mm (Fine Point) for clean, controlled lines and detail work, and 1.0mm (Medium Point) for bold, smooth strokes.

• Ink Colors: Body color options vary - ink color: black

• Dimensions: 98mm in length and 5.9mm in diameter.

• Weight: 14 grams for a standard 2-pack.