**Specifications:**
Brand: deli
Model: S18
Pen Type: Ballpoint Pen
Ink Color: Black
Line Width: 0.5mm
Pen Size: 145x28x72mm
Features: Tungsten carbide ballpoint tip, smooth oil-based ink, spring-loaded pen tip, low friction writing, improved flow, 400M long-lasting writing, soft rubber grip, four-color design, comfortable grip, suitable for multiple scenarios
Writing Experience: Enhanced smoothness, evenness, viscosity, saturation, and adhesion
Ink Quality: Upgraded formula for smooth and full writing experience
Ballpoint Tip: Tungsten carbide for low friction and smooth writing
Ink Drying: Quick-drying ink to prevent smudging and water damage
Spring Lock Mechanism: Prevents ink leakage when not in use
Comfortable Design: Precise components for smooth pressing, high rebound force, and comfortable grip
Protective Features: Pen clip for tip protection, portable and anti-roll design
Product Dimensions: 145mm length, 28mm diameter, 72mm clip length
Note: Product dimensions are manually measured and may have slight errors, please refer to the actual product for accuracy.
