**Product Specifications:**

**Brand:** uni

**Product Name:** uni-ball One

**Type:** Gel Pen

**Series:** Limited Edition

**Features:** Small core, Japanese style design, rich ink color, traditional packaging

**New Product:** Yes

**Colors Available:** Jade Green, Cherry Blossom Pink, Chestnut Yellow

**Pen Tip Size:** 0.38mm

**Ink Technology:** Mitsubishi Black Technology

**Ink Type:** Gel Ink

**Ink Color:** Black

**Special Feature:** BEADSPACK pigment for vibrant colors and minimal paper absorption

**Packaging:** Each pen comes in a Japanese-style box

**Additional Products:** Available in 6 new colors

**Special Edition Sets:** Bright Set (Jade Green, Cherry Blossom Pink, Chestnut Yellow) and Elegant Set (Wisteria Purple, Orange, Persimmon)

**Pen Length:** 140mm

**Pen Diameter:** 9.1mm

**Pen Clip:** Open metal clip design

**Grip:** Hidden grip for comfortable writing

**Refillable:** Yes, compatible with UMR-38/05S refills

**Packaging:** Each set contains 3 pens

**Package Contents:** 10 pens per box

**Model Number:** UMN-S+SF-38DB

**Specifications:** 0.38mm tip size

**Usage:** Suitable for writing, drawing, and everyday use

Please let me know if you need more information or details.