**Product Specifications:**

Brand: MI, brand: Mikuni

Professional gel ink pen

Ink: Mikuni carbon ink, smoother and more pressure-resistant

Pen: Mikuni Big Ink King, push-type refill

Writing length: 1700 meters

Refill: Mikuni ink

Model: COMI, brand: Mikuni

Tip size: 0.5mm

Tip type: CS tip

Features: More stable, smoother writing experience

Package: 12 pieces per box

Color options: Black, red, blue

CS round arc upgraded tip design

CS tip = ST tip + bullet head + full needle tube, reduces friction for smoother writing

Improved drop resistance by 15%, expanded writing range

Ink type: Mikuni Japan ink

Certification: CS push refill, 12 pieces/box, 0.5mm tip, colors: black/red/blue

Suitable for everyday writing and corrections

Length: 110mm

Material: Ceramic white oil tube

Model: COMI, brand: Mikuni

Ink color: Black, red, blue

Tip size: 0.5mm

Features: Stable, smooth writing

Ink type: Mikuni Japan ink

Writing length: 1700 meters

Package: 12 pieces per box

**Note:** The above specifications are based on the provided information for MI and Mikuni brand products.