The Finjak adjustable fin device replaces the need for a plate and screw system and also allows you to adjust your fin position mid-surf, without any tools.
Availability: Out of Stock – We understand the frustration when the product you're looking for is unavailable. At Down the Line Surf, we constantly update our inventory. New stock may be coming in soon. Give us a call on +44 (0)1736 757025 or submit your email below to be notified when new stock arrives. Thank you for choosing Down the Line Surf!
  • Fits single fins, longboards, mid-lengths and 2+1 surfboards, some SUPs.
  • Compatible with 'Bahne' style centre fin boxes
  • Instantly adjustable by hand, no tools required
  • Easily adjusted in the water during your surf session
  • Made from Acetal- Strong and durable, does not damage volan, fibreglass or carbon fins and can be recycled
  • Rust-free, seize-free

UK Delivery for this product = £1.95

Generally all goods ordered before 1pm are sent out on the same day (Mon-Fri).

We offer a fast and efficient worldwide delivery service.

For International deliveries, the shipping will be calculated at checkout, together with any duties and tax. This ensures you have no unexpected charges when receiving your goods.. We guarantee you will have nothing extra to pay.

Check here for our full delivery information

Not happy with your product?

No problem at all!

You can return the product up to 30 days after purchase for a no quibble replacement or refund.
Simply fill out the returns form enclosed with your package and send back to us.
info@downthelinesurf.co.uk or ring one of the team on (01736) 757025

Please find our full Returns & Refund Policy here, and our Shipping Policy here. Customer Services can be contacted here.

If you have any questions about the Finjak Fin Adjuster, submit the product question form below and we'll get back to you as soon as possible. Or give us a call on (01736) 757025.