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Tronix Rolling Swivel Coastlock Snap

£1.99

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Anglers Serving Anglers

Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.

You can return unused standard items within 30 days for exchange or refund.

We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do. 

This item is available for next day delivery. You can pick this in the checkout.

We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.

We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.

Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.

You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.

“Need advice on tackle? Ask Bob”

Powered by a deep library of angling knowledge,  the experience of thousands of anglers & indepth technical product specs.  Available 24/7. Just Ask.

SKU – RNG_Tronix Rolling Swivel Coastlock Snap

Product Details and Uses

Tronixpro Rolling Swivel Coastlock Snap

The Heavy-Duty Standard for Total Rig Security.

When you are battling a specimen fish in a heavy tide or winching a rig through the rough stuff, your swivel link is the single most important point of failure. The Tronixpro Rolling Swivel Coastlock Snap is engineered to be the strongest link in their entire range. It combines a high-performance rolling swivel with a heavy-duty “Coastlock” spring wire, ensuring that once your rig is snapped in, it stays in—no matter how much pressure is applied.

At Gerry’s Fishing, we recommend the Coastlock pattern for boat anglers and heavy-duty shore specialists. Unlike standard clips that can “bend out” under extreme load, the Coastlock design features a sprung wire that locks securely behind the hook, providing a mechanical closure that won’t fail when you’re “giving it the berries.”

Why the Coastlock Snap is the Professional Choice:

  • The Strongest in the Range: Built around Tronixpro’s ultra-strong rolling swivels, these are designed to handle the high-torque demands of boat fishing and heavy shore casting.

  • Heavy-Duty Spring Wire: Made from premium, thick-gauge wire that resists corrosion and maintains its “spring” session after session.

  • Secure Locking Mechanism: The snap “clicks” into place with a positive lock. It’s the go-to choice for attaching heavy leads or connecting your mainline to a rig body when targeting big fish.

  • Rolling Swivel Performance: The integrated rolling swivel ensures zero line twist, keeping your mainline clear of tangles even when a large fish is spinning in a fast-running current.


Technical Specifications

Feature Details
Swivel Type High-Strength Rolling Swivel
Snap Pattern Coastlock (Sprung Safety Lock)
Material Heavy-Duty Corrosion-Resistant Wire
Primary Use Mainline-to-Rig Connection / Lead Attachment
Compatibility Ideal for Boat, Rock, and Heavy Shore fishing

Where to Use Them (Pro Recommendations)

  • Boat Fishing for Specimens: This is the “Boat Angler’s Choice.” Whether you’re wrecking for Pollack and Cod or bottom fishing for Rays and Tope, the Coastlock gives you 100% confidence in your connection.

  • Heavy Shore Casting: Perfect for tying to the end of your shock leader. It allows for lightning-fast rig changes while standing up to the massive G-forces of a power cast.

  • Rough Ground Winching: If you’re fishing into the kelp or rocks, you need a link that won’t pull open when you’re trying to leverage a lead out of a snag.

  • Lead Attachment: Use these on the bottom of a rig to secure heavy leads (up to 8oz+) when fishing in the massive tides of the Bristol Channel or the Solway Firth.

Gerry’s Tip: The Coastlock is a “safety” link. Because of the way the wire wraps around the swivel eye, it is virtually impossible for it to open accidentally. If you are fishing in areas with lots of floating weed, this streamlined design also helps prevent “weed-clogging” around your swivel compared to more open clip designs

“Need advice on tackle? Ask Bob”

Powered by a deep library of angling knowledge,  the experience of thousands of anglers & indepth technical product specs.  Available 24/7. Just Ask.

Anglers Serving Anglers

Our entire team at Gerry’s are all experienced anglers and can help you choose the correct tackle for any fishing situation. Please drop us a message or give us a call if you need any help.

You can return unused standard items within 30 days for exchange or refund.

We check our prices weekly to ensure we can combine our fabulous service with the best prices. If you find an item cheaper and in stock somewhere else, drop us a a message in the chat box and we can see what we can do. 

This item is available for next day delivery. You can pick this in the checkout.

We offer free post to any mainland UK address with a basket of more than £80. We also send all over the world and the best way to find out how much postage you will pay is in our checkout. Add the items to your basket and then add your address. Our checkout will automatically calculate your total.

We have come from a tiny fishing store and grown into one of the biggest fishing tackle retailers in the UK winning countless awards over the years. We are still a family business offer fabulous service online and in-store.

Spread the cost of larger orders over 6 or 12 month 0% APR. We also offer longer terms with APR charges via V12 finance. Available in the checkout.

You can make your next purchase a little easier on the wallet by splitting the total into 3 payments by using Klarna payments in the checkout.

SKU – RNG_Tronix Rolling Swivel Coastlock Snap

Chest Size Guide

Penn Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

Wader Waist Guide

Small (28″-30″)

Medium (30″-33″)

Large (34″-37″)

XLarge (37″-39″)

XXLarge (39″-42″)

3XLarge (42″-45″)

Kinetic/Westin Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

3XLarge (54″-56″)

Grundens Chest Size Guide

Small (36″-37″)

Medium (38″-40″)

Large (42″-44″)

XLarge (46″-48″)

XXLarge (50″-52″)

3XLarge (54″-56″)

Vass Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Trakker Chest Size Guide

Small (38-40″)

Medium (41-43″)

Large (44-46″)

Xlarge (47-49″)

XXLarge (50-52″)

XXXLarge (53-55″)

Korda Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Guy Cotten Chest Size Guide

Small (86 – 94cm)

Medium (94 – 102cm)

Large (102 – 110cm)

XLarge (110 – 124cm)

XXLarge (124 – 134cm)

3XLarge (134 – 154cm)

Fox Chest Size Guide

Small (36″-38″)

Medium (39″-41″)

Large (42″-44″)

XLarge (45″-47″)

XXLarge (48″-50″)

3XLarge (51″-54″)

4XLarge (55″-60″)

Nash Chest Size Guide

Small (36″-38″)

Medium (39″-41″)

Large (42″-44″)

XLarge (45″-47″)

XXLarge (48″-50″)

3XLarge (51″-54″)

4XLarge (55″-60″)

Aqua Chest Size Guide

Small (38-40″)

Medium (41-43″)

Large (44-46″)

Xlarge (47-49″)

XXLarge (50-52″)

XXXLarge (53-55″)

Guru Chest Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Preston Chest Innovations Size Guide

Small (36″-38″)

Medium (38″-41″)

Large (42″-44″)

XLarge (45″-46″)

XXLarge (47″-48″)

3XLarge (49″-51″)

Trouser Waist Guide (Inches) 

Small – 28″ – 32″

Medium 32″ – 34″

Large – 34″ – 36″

X-Large 36″ – 38″

XX-Large – 38″ – 42″

XXX-Large 42″ – 46″

XXXX-Large 46″ – 52″