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US BOX FIN Replacement
  • US BOX FIN Replacement

"Perfect fit for my inflatable SUP. The included thumb screw made installation a breeze without tools."

Mark S.
US BOX FIN Replacement

US BOX FIN Replacement

£9.99 £14.99 SAVE 33%
Impact Resistant
Easy Install
Saltwater Safe
  • Universal US Box fit
  • Durable reinforced plastic
  • Tool-free thumb screw
  • Optimized 8-inch tracking
Free Shipping
Money Back Guarantee
Secure Checkout

Product Details

Replacement plastic US Box Fin for an inflatable or hard paddle board. 8 inch long, thumb screw and nut included.

Materials + Care

Constructed from high-impact reinforced plastic designed to withstand underwater debris. Rinse with fresh water after salt-water use to prevent mineral buildup in the screw housing.

Shipping + Returns

Orders ship within 24 hours. We offer a 30-day hassle-free return policy if the fin does not fit your specific board setup.
US BOX FIN Replacement

US BOX FIN Replacement

£14.99
£9.99 SAVE 33%

⚡ RESTOCK ALERT: LIMITED QUANTITY LEFT

Get your US BOX FIN Replacement today and get back on the water this weekend.

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Trusted by the paddling community

See why thousands of paddle boarders choose our replacement fins.

J

Jason R.

Lost my original fin in the lake. This US BOX FIN Replacement arrived quickly and fits my hard board perfectly. Better than the original!

E

Emily W.

The thumb screw is a game changer. No more looking for a screwdriver at the beach. Sturdy construction.

M

Michael T.

Standard 8 inch fin that does exactly what it needs to do. Tracking is straight and it feels very secure in the box.

S

Sarah P.

I have an inflatable SUP and was worried about fit, but this US BOX FIN Replacement slid right in. Great quality for the price.

K

Kevin G.

High quality plastic, doesn't feel brittle at all. The nut and screw are stainless so they won't rust in salt water.

L

Linda M.

Fast shipping saved my vacation. I broke my fin on day one and had this replacement by day three. Highly recommend.

J

Jason R.

Lost my original fin in the lake. This US BOX FIN Replacement arrived quickly and fits my hard board perfectly. Better than the original!

E

Emily W.

The thumb screw is a game changer. No more looking for a screwdriver at the beach. Sturdy construction.

M

Michael T.

Standard 8 inch fin that does exactly what it needs to do. Tracking is straight and it feels very secure in the box.

S

Sarah P.

I have an inflatable SUP and was worried about fit, but this US BOX FIN Replacement slid right in. Great quality for the price.

K

Kevin G.

High quality plastic, doesn't feel brittle at all. The nut and screw are stainless so they won't rust in salt water.

L

Linda M.

Fast shipping saved my vacation. I broke my fin on day one and had this replacement by day three. Highly recommend.

Universal Fit

Works with all standard US Box tracks

No Tools Needed

Includes hand-tighten thumb screw

Durable Build

Reinforced for impact resistance

Quick Dispatch

Ships from our warehouse daily

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🔥 Recently Sold

Robert H. from Austin, TX just replaced their broken fin
2 hours ago
Jessica K. from Seattle, WA bought a spare for their kit
4 hours ago
Chris B. from Tampa, FL ordered 2 of these
6 hours ago

All Reviews