**Specifications:**
**Brand:** deli
**Product Name:** Refill for Push-type Liquid Ballpoint Pen
**Model:** SF10
**Ink Type:** Liquid
**Tip Type:** Bullet
**Ink Color:** Black
**Tip Size:** 0.5mm
**Quantity:** 10 refills per box
**Features:**
- Multi-layer fin design for smooth and stable ink flow
- High-quality fiber ink cartridge for consistent and uninterrupted writing
- Large ink capacity for long-lasting use, up to 600m writing length
- High-precision bullet tip for smooth writing experience without scratching paper
**Additional Information:**
- Each refill can write approximately 10,000 Chinese characters
- Precision assembly requirement for tip ball: 0.005mm
**Dimensions:**
- Pen Length: 110mm
**Package Contents:** 10 refills per box
**Color:** Black
**Note:** Product dimensions are measured manually and may have slight errors. Actual product prevails.
These deli SF10 refills are designed to provide a smooth and reliable writing experience, with a focus on quality and durability. Ideal for exam preparation and everyday writing tasks.
