KACO Asian standard Kefill neutral pen refill press refill replacement refill 0.45 bullet pen tip quick-drying black 800m writing length press refill water-based refill

**Product Specifications:**

**Brand:** KACO

**Model:** KEFILL

**Ink Type:** Gel, Ink Refill

**Drying Time:** 1 second quick-dry

**Pen Tips:** Two types of pen tips

**Features:** Self-contained extension cap, KEFILL neutral pen core

**Ink:** High-capacity quick-dry ink

**Pen Head:** Double ballpoint pen head technology

**Writing Experience:** Upgraded for a new writing experience

**Colors:** Classic four colors – red, blue, black, blue-black

**Pen Core Length:** 110mm for KEFILL, 100mm for KEFILL 100

**Writing Length:** 2 times the standard requirement for KEFILL, 1.5 times for KEFILL 100

**Writing Angle:** 48° for smooth writing experience

**Ink Capacity:** Long-lasting ink for extended writing

**Exam-friendly:** Clear ink color for easy computer recognition

**Pen Head Material:** Tungsten carbide ballpoint for smooth and durable writing

**Compatibility:** Suitable for various pen models including MIDOT, KEYBO, PURE, KLIP, ALPHA, ROCKET, K9, TURBO, SMOOTH, K7, and FIRST series

**Packaging:** Available in 5 pens per pack or 10 pens per box

**Standards:** Compliant with GB/T37853-2019 and GB21027-2020

**Size:** 110mm length, 5.7mm diameter

**Additional Features:** Transparent pen barrel for ink level visibility, interchangeable pen tips for compatibility with non-KACO pen models

**Note:** Specifications may vary based on specific product models and configurations.