Uni-ball Signo Gel Refill from Japan
Uni-ball Signo UM-151 gel pen refills deliver fraud-resistant, archival-quality ink in 0.38mm extra-fine tip. Compatible only with Signo series pens via proprietary fitting. This HTS 9608.99.20.00 classification applies to specialized gel ink cartridges for porous-tipped writing instruments.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include patents or trademarks on packaging for brand protection at customs
• Separate colors by type to avoid blending issues
• Certify ink as non-toxic if targeting office supply markets