KACO 0.45mm Retractable Pen Refill - Black, 10 Pieces

Innovation: Next-generation KEFILL dual-ballpoint refill

Variants: ST Tip, Durable Writing Tip, Bullet Tip

Writing Experience: Smooth, consistent, and quick-drying

Ink Options: Single to multi-color, narrow to wide

Ink Dry Time: Tested for quick-drying performance

Writing Angle: 48° for smooth writing experience

Ink Capacity: Long-lasting for extended writing

Tungsten Carbide Ballpoint: Ensures smooth and durable writing

Compatibility: Fits most KACO pen models

Refill Length: 110mm for standard pens, 100mm for specific models

Tip Protection: Reversible tip cap for adjusting refill length

Transparent Barrel: Allows easy monitoring of ink level

Package Contents: Available in various tip sizes and colors

Standard Compliance: Meets GB/T37853-2019 and GB21027-2020 standards

Dimensions: 110mm length, 5.7mm diameter

Additional Information: Suitable for various KACO pen series

Note: Specifications may vary slightly based on the specific product variant.