Premium Replacement Ink Refill for Smooth Office Writing

High-quality polymer-based ink core ensures consistent flow without smudging, ideal for exam documents and official paperwork. Precision-engineered tip (0.7mm) delivers ultra-fine lines with reduced hand fatigue during prolonged use. Compatible with most press-type ballpoint pens, including major OEM models.

Industrial-grade stainless steel ball bearing minimizes skipping for flawless signatures and legal forms. Oil-based ink dries instantly on standard copy paper, meeting archival standards. Bulk packaging (sold in sets) reduces per-unit cost for schools, government offices, and corporate procurement.

Ergonomic design supports 20% faster writing speed compared to conventional refills. Matte black finish prevents fingerprint marks in professional environments. Strict ISO 12757-2 compliance guarantees smear-proof performance for notarized documents.

Warehouse-direct pricing with MOQ flexibility for global distributors. Custom branding available for bulk orders exceeding 10,000 units. Ships in crush-proof recyclable tubes to prevent transit damage.

Core Specifications:

- Polymer hybrid ink reservoir (1.2ml capacity)

- Tungsten carbide ball (0.7±0.02mm tolerance)

- Operating temperature range: -30°C to 80°C

- Shelf life: 36 months in original packaging