Grade 3, Class 2 [A must-have for the start of school] Bear Pen Holder Large Capacity Storage Box Student Light Luxury Simple Pen Bucket Creative Stationery Office Desktop Tissue Storage Ornaments White Large

**Specifications:**

**Brand:** deli

**Product Name:** Carbon Black Exam Neutral Pen Refill

**Ink Type:** Imported upgraded carbon black ink

**Ink Features:** Quick-drying, resistant to smudging, high saturation

**Writing Length:** 400m

**Tip Material:** Tungsten carbide ball

**Ink Stability:** Improved formula for smoothness, viscosity, adhesion, and saturation

**Ink Concentration:** High carbon black content for clear and easily scannable writing

**Tip Type:** Tungsten carbide ball for smooth and durable writing experience

**Tip Size:** 0.5mm for moderate writing thickness and high scan recognition

**Cap Type:** Soft rubber cap for protection against ink drying and reusability

**Compatibility:** Suitable for various types of paper

**Additional Features:** Diamond-like carbonized tungsten carbide ball for durability and longevity

Note: The specifications mentioned above are based on the product description provided for deli brand pens.