Fish finder rig: six parts in the right order

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The quick answer

What is a fish finder rig?

A fish finder rig is a bottom rig with a sliding weight before the swivel. This guide teaches a one-hook surf version with a clip-on sinker slide. When the weight has settled, the main line and bait can move through the slide before the weight follows. The rig does not remove all resistance.

Job
Present bait near the bottom
This version
Line → slide → optional bead → swivel → leader → hook
What slides
Main line through the sinker slide
Surf version
Often uses a clip-on holding sinker
One best size?
No—match the full setup
Electronic finder?
No—this is a tackle rig

The same basic layout is also called a slip-sinker rig. Names vary. Check the parts instead of trusting the name on a package.

Learn the job before buying parts.

The checked options near the end are optional. Your sinker, leader, and hook still need to fit the rod, water, bait, target fish, and local rules.

Start at the reel

Fish finder rig parts in order

The main line must pass through the slide before it reaches the swivel. This six-part version adds an optional bead between them. The leader attaches to the other eye of the swivel. It does not branch off the main line.

Fish finder rig laid out from the main line to a baited hook.
Illustrated overview: main line, sinker slide, optional bead, swivel, leader, and hook. Use the numbered diagram below to check each part.
  1. 1Main lineRuns back to the reel
  2. 2Sinker slide + sinkerThe main line passes through the slide
  3. 3Bead (optional)Sits before the swivel knot in this version
  4. 4SwivelStops the slide and joins the leader
  5. 5LeaderThe separate line nearest the hook
  6. 6Hook + baitThe working end of the rig
Read this six-part version from the reel toward the bait. The bead is optional. The leader begins on the far side of the swivel, so there is only one path to the hook.
Using an inline sliding sinker?

Thread the main line through that sinker in place of the separate slide and clip-on sinker. The bead, swivel, leader, and hook still follow. A clip-on slide is useful in the surf because the sinker can be changed without cutting the swivel knot.

Five clear steps

How to tie a fish finder rig

  1. 1
    Thread on the sinker slide

    Run the main line through the small tube on the slide. It should move along the line without catching. If you use an inline sliding sinker, thread that on instead.

  2. 2
    Clip on the sinker

    Attach the sinker to the slide. Choose a sinker shape that can hold in the current. Keep the sinker, rig, and bait together inside the rod’s printed rating.

  3. 3
    Add an optional bead, then tie the swivel

    If your setup uses a bead, slide it onto the main line. Tie the main line to one eye of the swivel. Some fish finder layouts skip the bead, so follow the instructions for your exact parts.

  4. 4
    Tie the leader to the other swivel eye

    Use a leader that fits the target fish and method. There is no leader length or strength that works everywhere. The fishing leader guide explains the choices.

  5. 5
    Add the hook, bait, and pull-test

    Tie on a hook that fits the bait, target fish, and local rules. A Palomar knot can work when it suits the line and hook. Keep the hook pointed away from people, then pull every knot with steady pressure.

Save or print this check

Read the rig from reel to bait

  • The line moves freely through the slide or inline sinker.
  • The sinker is attached to the slide.
  • If used, the bead sits before the swivel knot.
  • The leader is tied to the other side of the swivel.
  • The leader has no cuts, rough spots, or loose knots.
  • The hook and number of hooks follow current local rules.
  • Sinker, rig, and bait together stay inside the rod rating.
  • The space behind and in front of you is clear before the cast.

The rig is only half the job

What happens after you cast?

  1. 1
    Let the sinker settle

    Use a controlled cast. Give the sinker time to reach the bottom and grip or rest.

  2. 2
    Take up extra slack

    Reel until you can watch the line and rod tip. Do not drag the sinker just to make the line tight.

  3. 3
    Let the sliding path do its job

    The main line can move through the slide as the bait moves. The rig can still resist movement when the line rubs inside the slide or when current, sand, or weeds get in the way.

  4. 4
    Follow the hook instructions

    How you set the hook depends on the hook and local rules. With an inline circle hook, let the line tighten as directed instead of making a hard upward jerk.

Distance is not the goal by itself.

A safe, accurate cast to feeding water is more useful than a wild cast. Heavy bait and sinkers often need a slower, controlled motion.

Look at the parts

Fish finder rig vs. Carolina rig

Both are sliding-weight bottom rigs. The most useful difference is how the weight sits on the main line.

Fish finder and Carolina sliding rigs compared
RigMain differenceUse it whenWatch for
Fish finder / slip-sinkerA sliding weight sits before the swivel. This guide uses a clip-on slide and an optional bead.You want one bait near the bottom and may need to change the sinker.If the leader tangles, try a shorter leader and a smoother cast.
Carolina / running sinkerAn inline sliding sinker sits directly on the main line.You want a simple one-bait sliding rig and the inline weight can hold.Changing that sinker often means cutting and tying again.

The names are not used the same way everywhere. Fish finder and Carolina rigs both use a sliding weight. A clip-on sinker slide versus an inline sinker is the useful difference to check.

Need to hold bait above the bottom?

The surf rig choice gives a short look at fixed bottom, high-low, float, and unweighted options. Keep the wider rig decision on that complete setup page.

Optional checked gear

Choose a ready-tied rig or one DIY part

First decide whether you want a ready-tied rig or only a sinker slide. A ready-tied rig saves knots, but its hook and leader must already fit your bait, fish, and rules. “Ready-tied” does not mean every casting part is in the pack. Check for the sinker, main line, and bait separately. A slide lets you build the exact rig shown above, but it does not include the other parts.

These are verified options, not winners.

We matched each Amazon product code (ASIN) to the exact model and maker’s facts. We did not fish with these exact products, score them, or compare every product for sale. No price, star rating, or review count is used.

United States · 3 options

Fish finder rig options on Amazon US

Choose the Aqua-Clear rig for a simple larger-bait setup, the Eagle Claw model only for its named striped bass job, or the Sea Striker slides when you want to choose every other part yourself.

USAmazon US

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Ready-tied for larger bait

Aqua-Clear AC-DR-8CFF Drum Fish Finder Rig

A ready-tied fish finder rig with an 8/0 black-nickel circle hook, 60 lb monofilament leader, and fish-finder slide.

Exact model: AC-DR-8CFF

Build
Ready-tied fish finder rig
Hook
8/0 black-nickel circle
Leader
60 lb monofilament
Sliding part
Fish-finder slide

Main limit: The 8/0 hook and 60 lb leader are made for larger bait and fish. This is not a general rig for small surf species. Check local hook rules.

Check this exact product on Amazon US
USAmazon US

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Striped bass setup

Eagle Claw Lazer Sharp L918-C1 Fishfinder Rig

A ready-tied saltwater rig with a 7/0 inline circle hook and a 42-inch, 60 lb monofilament leader.

Exact model: L918-C1

Build
Ready-tied fish finder rig
Hook
7/0 inline circle
Leader
42 in · 60 lb mono
Sliding part
Fish-finder slide with dual-lock snap
Finish
Platinum black
Pack
1 rig

Main limit: The long leader and 7/0 hook are specific choices. They do not fit every bait or fish, and striped bass hook rules differ by state.

Check this exact product on Amazon US
USAmazon US

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Build your own rig

Sea Striker QSD-6P3 Quik-Slide Sinker Slides

A three-pack of twist-and-lock sinker slides with #6 snaps. The maker says the high-impact plastic slides work in salt water and with braided line.

Exact model: QSD-6P3

Contents
3 sinker slides
Snap
#6
Lock
Twist-and-lock
Material
High-impact plastic

Main limit: This pack contains only the slides. You still need to choose the sinker, swivel, leader, hook, and optional bead for your water and target fish.

Check this exact product on Amazon US

Australia · 2 options

Fish finder rig options on Amazon Australia

These two ready-tied rigs use the same leader strength but different hook styles. Choose only after matching the hook style to your target fish, bait, method, and current local rules.

AUAmazon Australia

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Circle-hook option

Aqua-Clear AC-DR-7CFF Drum Fish Finder Rig

A ready-tied fish finder rig with a 7/0 black-nickel circle hook, 60 lb / 27.2 kg monofilament leader, and fish-finder slide.

Exact model: AC-DR-7CFF

Build
Ready-tied fish finder rig
Hook
7/0 black-nickel circle
Leader
60 lb / 27.2 kg mono
Sliding part
Fish-finder slide

Main limit: The 7/0 hook and heavy leader suit larger bait. Fish named on the package are US examples, not a promise about Australian species. Check local rules.

Check this exact product on Amazon Australia
AUAmazon Australia

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Non-circle hook option

Aqua-Clear AC-DR-7FF Drum Fish Finder Rig

A ready-tied fish finder rig with a 7/0 black-nickel octopus hook, 60 lb / 27.2 kg monofilament leader, and fish-finder slide.

Exact model: AC-DR-7FF

Build
Ready-tied fish finder rig
Hook
7/0 black-nickel octopus
Leader
60 lb / 27.2 kg mono
Sliding part
Fish-finder slide

Main limit: This is not a circle hook. Use it only when that hook style fits your method and current local rules.

Check this exact product on Amazon Australia

Check the delivery screen. Amazon availability and delivery can differ by Australian postcode. If the exact model is gone or the product code changes, do not use a different version without checking every part again.

Change one thing at a time

Fix five common fish finder rig problems

The sinker keeps rolling or washing in
Try a shape made to hold bottom, such as a suitable pyramid-style sinker, or change weight within the rod’s rating. Strong water may call for a different place or method.
The leader tangles around the main line
Make the leader a little shorter and use a smooth, controlled cast. Check that the rig is not twisted before every cast.
The line does not slide
Rebuild the path before casting. Check for a jammed slide, damaged line, weeds, or a part fitted in the wrong order.
The leader keeps getting damaged
Replace it when it has cuts or rough spots. Then match the leader material to rocks, shell, teeth, and the target fish.
You do not know what leader length or hook size to use
There is no safe universal answer. Start with current guidance for the target fish, bait, water, and rig. Check local hook rules before tying.

Before every cast

Keep the casting area safe

  • Check the space behind you and the water ahead for people, pets, birds, swimmers, and other obstacles.
  • Keep the sinker, rig, and bait together inside the rod’s printed casting range.
  • Wait or move if wildlife is in the casting path. Check and recast often in areas with sea turtles.
  • Leave the water and open beach when lightning is near.
  • Check today’s rules for the exact water and target fish. Hook type, bait, sinker material, and number of hooks can be restricted.
Circle-hook rules can be specific.

For example, New Jersey requires non-offset inline circle hooks when anglers target striped bass with bait. That is a place-and-species rule, not a rule to copy everywhere.

Put this rig inside a complete setup

Match the rig to a surf rod, reel, and line

The rig is only the last part of the setup. The surf guide shows how the full casting load, rod rating, reel, line, and beach conditions work together.

Open the beginner surf setup guide

Method & sources

How this guide was checked

We checked public fishing and park guidance for the rig layout, casting, surf safety, wildlife, and one current circle-hook rule. We also checked every product in its exact Amazon country store and matched the model facts to a maker source. Sources were checked Aug. 26, 2026. Rules, listings, and delivery can change, so check again before fishing or buying. This page does not rank products or claim hands-on tests.