Sailboard Mast Extension
Adjustable carbon or aluminum mast extension that lengthens sailboard masts for taller sails in high winds. Classified under HTS 9506.21.8000 as a dedicated sailboard part with downhaul pulley systems. Typically 30-50cm lengths.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic metal tubes
Non-specialized metal tubes classify as other steel articles.
If extensions for other sports equipment
Extensions principally for articles like fishing rods use different subheadings.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document pulley mechanism and mast diameter specs; certify load ratings
• Common pitfall: Reclassification as general pole under 7326 if not sport-specific
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.
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.
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.