Windsurfing Fin Box
A reinforced plastic or composite fin box that mounts into the bottom of a sailboard to hold interchangeable fins for directional control. This part is classified in HTS 9506.21.8000 due to its sole suitability for sailboards. It supports the US fin box standard common in windsurfing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-specialized plastic track systems
Undedicated plastic components classify as other plastic articles.
If principally for snowboards
Snowboard-specific fin or binding tracks go under winter sports equipment.
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Import Tips & Compliance
• Include compatibility charts with major sailboard brands; ensure no dual-use claims for other boards
• Pitfall: Generic 'fin track' descriptions leading to Chapter 39 plastic classification
Related Products under HTS 9506.21.80.00
Carbon Fiber Sailboard Mast
A lightweight carbon fiber mast designed specifically for sailboards, providing structural support for the sail rig. It falls under HTS 9506.21.8000 as a part suitable solely or principally for use with sailboards, per Chapter Note 2. This excludes general-purpose masts used in other watercraft.
Aluminum Sailboard Boom
An adjustable aluminum boom that connects the sail to the mast on a sailboard, essential for controlling the sail shape during windsurfing. Classified under HTS 9506.21.8000 as a dedicated accessory for sailboards. It must demonstrate principal use with windsurfing gear.
Sailboard Mast Base
A universal joint mast base that attaches the mast to the sailboard deck, allowing swivel movement for windsurfing maneuvers. Falls under HTS 9506.21.8000 as a principal part of sailboards. Typically features daggerboard integration points.
Windsurf Daggerboard
A retractable centerboard daggerboard that provides lateral resistance and stability on sailboards in light winds. Classified under HTS 9506.21.8000 for its exclusive use as a sailboard part. Constructed from composite materials for durability.
Sailboard Foot Strap
Adjustable neoprene or composite foot straps mounted on sailboard decks for secure rider footing during high-speed windsurfing. HTS 9506.21.8000 applies as a dedicated accessory principally for sailboards. Sold in pairs with deck mounting hardware.
Windsurfing Mast Top Protector
A foam-padded extension cap that fits over sailboard mast tops to prevent injury and wear during rigging. This accessory is classified under HTS 9506.21.8000 for principal use with sailboard rigs. UV-resistant materials ensure longevity.