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Heavy-Duty Ring Mechanism for Binders

A robust steel 4-ring mechanism designed for large loose-leaf binders with a capacity of up to 4 inches, featuring a locking mechanism. This base metal fitting is used in the manufacture of multiple ring binders, qualifying under tariff item 8305.10.10.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8305.10.90Higher: 2.5% vs Free

If the mechanism is imported for use as a replacement part rather than for manufacturing

This alternative applies to other fittings for loose-leaf binders or files not used in the manufacture of multiple ring binders.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Confirm that the mechanism is intended for incorporation into multiple ring binders during manufacturing

• Provide a detailed product specification sheet to the CBSA to support classification under this tariff item

Related Products under Tariff item 8305.10.10

1-Inch Economy 3-Ring Mechanism

A compact 1-inch capacity 3-ring binder mechanism made of nickel-plated steel, designed for school and home office looseleaf binders. This product is a fitting for looseleaf binders of base metal, specifically for use in the manufacture of multiple ring binders.

2-Ring Polypropylene Binder Mechanism

A 2-ring binder mechanism with 1-inch capacity rings made of base metal, featuring a polypropylene trigger and spine cover, designed for insertion into looseleaf binders. This product is a fitting for looseleaf binders, with the base metal rings being the essential component for use in the manufacture of multiple ring binders.

3-Ring Metal Binder Mechanism

A 3-ring metal binder mechanism with D-ring or O-ring design, typically 1-inch capacity, made of steel and intended for insertion into looseleaf binders. This product is a fitting for looseleaf binders of base metal, specifically designed for use in the manufacture of multiple ring binders.

3-Ring Metal Lever Arch Mechanism

A heavy-duty 3-ring binder mechanism with 2-inch rings, full metal construction including a lever arch for easy opening, used in professional looseleaf files. This product is a fitting for looseleaf binders of base metal, specifically designed for use in the manufacture of multiple ring binders.

4D-Ring Heavy Duty Binder Mechanism

A 4D-ring mechanism with angled rings for increased sheet capacity, using steel construction for durability in large looseleaf binders. This product is a fitting for looseleaf binders of base metal, specifically for use in the manufacture of multiple ring binders.

Booster Ring Capacity Expander Mechanism

A booster ring add-on mechanism for expanding binder capacity up to 4 inches, with steel rings, designed to enhance existing looseleaf binders. This product is a fitting for looseleaf binders of base metal, specifically for use in the manufacture of multiple ring binders.