£4.99
In stock
You are just £80.00 away from Free Mainland UK Delivery!
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.
Finding clear spots, gravel bars, and silt beds is the foundation of successful carp fishing, but dense, low-lying weed can make accurate feature finding a nightmare. Every carp angler knows the frustration of casting out a marker setup only for the float to get choked and trapped in the weed, refusing to rise to the surface. The Korda Drop Zone Marker Stem is the ultimate injection-moulded solution to this exact problem.
This specialized stem acts as a rigid extension link, holding your marker float roughly 10 inches off the lake bed, completely clear of low-lying silk weed, debris, and detritus. At the top of the stem sits an extra-large, ultra-smooth eyelet that allows your mainline to glide through with zero friction. By lifting the line entry point above the weed canopy, your mainline can run entirely freely, allowing your marker float to pop up smoothly to the surface every single time—giving you a 100% accurate depth reading and a clear visual target to bait up to.
Construction: Heavy-duty, precision injection-moulded polymer
Length: Holds the float approximately 10 inches ($25\text{cm}$) off the bottom
Line Guide: Extra-large, low-friction eyelet for smooth line transit
Pack Quantity: 1 Marker Stem per pack
Application: Carp feature finding, plumbing, and deep-water marker float work in weedy lakes
Weedy Gravel Pits: The essential tool for exploring rich gravel pits during late spring and summer when Canadian pondweed and silk weed carpet the lake bed.
Silty Estate Lakes: Ideal for navigating deep, soft silt channels. The 10-inch stem prevents your mainline from being dragged down into the loose muck, ensuring your float isn’t anchored down by debris.
Long-Range Plumbing: The aerodynamic profile and rigid design ensure the stem doesn’t twist or wrap around your leader during high-impact, long-range casts to distant features.
Pro Tip from the Gerry’s Fishing Team
To create the ultimate, tangle-free feature-finding setup, combine the Korda Drop Zone Marker Stem with a heavy, specialized marker lead (like a textured probe lead) and a high-buoyancy marker float.
Thread your braided mainline through the large eye of the marker stem, slide on a soft rubber shock bead to protect your knot, and tie securely to the base swivel of your marker float. Attach your heavy lead directly to the bottom clip of the Drop Zone stem. When you reel the setup in along the bottom to feel for gravel bars, the rigid stem acts as an incredible transmitter, sending crisp, clear vibrations through your braided line straight into your rod blank so you can map out the lake bed perfectly.
Does the marker stem come with a float or lead included?
No. This pack contains one single injection-moulded Drop Zone Marker Stem. It is designed to be integrated into your existing marker float and lead setup.
Why is a 10-inch stem necessary?
When your lead sinks into low-lying weed, a standard setup places the mainline guide right on the lake bed, allowing weed to choke the line and trap the float. By lifting that line guide 10 inches into the water column, it stays clear of the weed canopy, giving the line a completely unobstructed path to run through so the float can rise cleanly.
Can I use standard monofilament mainline with this stem?
Yes, monofilament will pass smoothly through the large eyelet. However, for maximum feature-finding accuracy and to help the float rise even faster, we highly recommend using a dedicated, zero-stretch braided marker mainline paired with a short monofilament or fluorocarbon shock leader.
Is the stem durable enough to withstand heavy casting?
Absolutely. Korda has manufactured this stem using a highly resilient, tough injection-moulded plastic. It is built to comfortably handle the immense forces generated when casting heavy 3oz to 5oz feature-finding leads at extreme distances.
“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.
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″