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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.
When you are leaning into a massive cast with a 6oz lead, the last thing you want to worry about is a “crack-off.” At Gerry’s Fishing, we understand that a shock leader is the most critical link in your beach casting setup. The Rovex Mono Surf Shock Leader in Hi-Viz Yellow is engineered to absorb the immense energy of a power cast while providing the rugged durability needed to survive the harsh environment of the shoreline.
This leader isn’t just about strength; it’s about controlled elasticity. It features the perfect amount of “give” to act as a shock absorber, protecting your main line and your knot from the initial jolt of the cast. Once your lead is out there, the high abrasion resistance takes over, protecting your rig from jagged rocks, kelp, and shingle. The Hi-Viz Yellow finish is a game-changer for night sessions, allowing you to track your line’s direction in the surf and making it much easier to see your leader knot as it approaches the rod tip during a retrieve.
| Feature | Specification |
| Material | Premium Grade Monofilament |
| Length | 50m Spool |
| Color | Hi-Viz Yellow (High visibility for day/night) |
| Abrasion Resistance | Ultra-High (Designed for rough ground and shingle) |
| Knot Strength | Superior (Optimized for leader-to-mainline knots) |
| Applications | Surf casting, rock fishing, and heavy shore angling |
| Available Strains | Multiple (Select via dropdown menu) |
Power Casting on Open Beaches: If you are using a beach caster and a multiplier or large fixed-spool reel, this leader is essential to safely handle the “G-force” of a full pendulum or off-the-ground cast.
Rough Ground and Rock Marks: The high abrasion resistance makes this leader ideal for fishing over tackle-hungry terrain where your line is constantly rubbing against barnacles and sharp edges.
Night Fishing Sessions: The Hi-Viz Yellow color is incredibly easy to pick up with a headlamp. This helps you avoid tangles with other anglers on a busy beach and lets you know exactly when to slow down your retrieve as the fish nears the shore.
Heavy Lead Applications: Perfect for when you need to step up to 6oz or 7oz weights to hold bottom in a screaming tide.
The Tapered Knot Secret: When joining this leader to your thinner main line, we recommend using a “Brighton Knot” or a “Grinner-to-Overhand” knot. Because the Hi-Viz Yellow is so easy to see, you can clearly inspect your knot for any friction burns or wraps before you cast. Always lubricate the knot with water or saliva before pulling it tight to ensure the monofilament doesn’t weaken itself through heat friction.
Why do I need a shock leader if my main line is 15lb?
A standard 15lb main line cannot withstand the force of a 5oz or 6oz lead being cast at high speeds. The general rule is to use 10lb of leader strength for every 1oz of lead (e.g., a 60lb leader for a 6oz lead). This prevents the line from snapping and sending a dangerous projectile down the beach.
Will the Hi-Viz Yellow color spook the fish?
In surf fishing, particularly in the UK, the fish are rarely “line shy” regarding the leader, especially when there is some movement in the water. The benefits of you being able to see where your line is—avoiding snags and other anglers—far outweigh any theoretical risk of spooking fish.
How many leaders can I get out of a 50m spool?
Typically, a shock leader should be twice the length of your rod plus a few turns around the reel spool. For a standard 13ft–14ft rod, you are looking at roughly 8–10 meters per leader. This means a 50m spool will comfortably provide 5 to 6 fresh leaders.
Is this leader suitable for use with braided main lines?
Yes, it works excellently with braid. The mono leader provides the necessary stretch that braid lacks, preventing the hooks from “pulling” out of the fish’s mouth and protecting your gear from the lack of give in braided lines.
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.




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″