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The Captain Fin Twinzer set from Jeff McCallum is a recent find for us, been using it in the Ryan Lovelace Love Machine board and they make a truly great board even better! After riding a lot of twins over the years Jeff McCallum wanted to take the next step up in performance and as he puts it, "Put a little more squirt in his boards." His result is this Twinzer set, a forgotten 80s and 90s template he's bringing back. This set has a rear fin that is more upright for pivot while the front fins get right on the rail for more bite and speed. The Twinzer will generate more "squirt" and allow for tighter turns in the pocket compared to other options out there.The construction is Fibreglass, this style of fin is machine cut from layers of solid fiberglass. These fins are stiff, and are widely used by good level surfers because the integrity of the flex is maintained under immense force, and in the most extreme of conditions and situations.
All the team here ride Fibreglass sins in their FMs.
For collection (up to 17:30) from Mon 20 Jul 2026
Collection at Boardshop
FREE
For delivery between Thu 23 Jul 2026 and Mon 27 Jul 2026
Royal Mail 3 - 5 Working Days
£3.99
For delivery on Tue 21 Jul 2026
DPD Next Working Day
£6.99
Nominated Day
For delivery on Sat 25 Jul 2026
Saturday Delivery
£24.99
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It's not a problem, all purchases on Boardshop.co.uk are covered by a 14 day exchange or refund guarantee. If you are not completely satisfied with your purchase it can be exchanged or the cost of the item(s) refunded. In case of all returns you will need to contact us for a returns number.
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Our teams are currently solving all issues in less than 4 hours, but at busy periods reponse time can be up to 24 hours. Any queries received over the weekend will be responded to (by a surfer) promptly on Monday.
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At Boardshop we all surf, so we are able to give you real advice based on experience. It’s more than likely we’ve surfed this board, so give us a call or drop us an email using the form.
You can always call us on the following numberWe are open Monday to Friday 8:30am to 5:30pm
UK 01243 674250
Outside UK 0044 (0)1243 674250
We are a dedicated team of surfers delivering the best products and services for everyone who surfs, from the absolute beginner to the seasoned traveller and everyone in between. #ridewithus
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Overview
The Futures fin system uses a single-box + screw design, giving a super solid connection between fin and board. That means zero wiggle, loads of drive, and a really direct feel under your feet. It’s a favourite among powerful surfers who like to push hard through turns, and once they’re in, they’re staying put, no unwanted mid-session surprises.
Made for Futures fin boxes, the single long slot system used on loads of modern performance surfboards. If your board has Futures boxes, you’re good to go. These won’t fit FCS I or FCS II systems, so if your board has two smaller slots instead of one long box, you’ll want to check out our FCS options instead.
Still unsure? Drop us a message with your board model and we’ll point you in the right direction.
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