Wacky Rig vs. Neko Rig: Which Nail Weight Size Should You Use?

Nail weights look simple — a small tungsten pin, a soft plastic, done. But the size you choose and where you put it decide whether the bait falls the way you intended or just doesn't get bit.

Here's how to pick, using sizes that actually exist.

The core difference: wacky vs Neko

Both rigs put a weight into a stick bait, but they are asking for opposite things.

Wacky rig: the hook goes through the middle and the bait falls horizontally, both ends shimmying on the drop. It imitates something dying in the water column. Weight here is a tuning adjustment — you're speeding the fall slightly, not changing the character of it.

Neko rig: the weight goes into one end, nose-down, so the bait stands up on the bottom with the tail quivering above it. Here the weight isn't optional — it is the entire mechanism. Without it there is no Neko rig, just a wacky rig.

That difference is why the two rigs want genuinely different weights, and why treating nail weight sizing as one chart gets people into trouble.

What we actually stock — and the two product lines people confuse

This matters before any sizing advice, because "nail weight" and "wacky weight" are not the same thing and the sizes don't overlap the way you'd assume.

  • Nail weights — thin pins that insert into the plastic: 1/64, 1/32, 3/64, 1/16 and 7/64 oz. This is the finesse end. 7/64 oz is the heaviest, and it sits just under 1/8.
  • Wacky weights — a different design for the same job, in 1/16, 1/8, 3/16 and 1/4 oz, each available plain or weedless. These carry no hook; the weedless versions add a weed guard.

So if you need more than 7/64 oz, you're not looking for a bigger nail — you're looking at the wacky weight line. That's the piece most sizing guides leave out, and it's why anglers go hunting for a "1/8 oz nail weight" that no one makes in that style.

Sizing a wacky rig

The whole point of a wacky rig is the horizontal shimmy. Weight is there to get you down through wind or to a slightly deeper fish, and every step up costs you some of that action.

  • 1/64–1/32 oz — clear, calm water and pressured fish. Barely changes the fall; you're just taking the edge off a dead-slow drop.
  • 3/64 oz — the honest middle. Noticeably quicker than unweighted, still fully shimmying.
  • 1/16 oz — wind, a bit of depth, or a bait that's too buoyant. You'll start to feel the shimmy flatten out.
  • 7/64 oz, or a 1/8 oz wacky weight — when you need to be on the bottom in a hurry. At this point you've traded most of the classic wacky action for control. That's a legitimate choice, but make it deliberately.

If in doubt, go lighter. You can always add. A wacky rig that's too heavy stops doing the one thing it's good at, and it does so without any obvious symptom — you just don't get bit.

Sizing a Neko rig

A Neko rig has a job to do: pull the nose down and hold the bait upright. Too light and it lies over on its side; too heavy and it drives into the bottom with the tail pinned.

  • 1/32–3/64 oz — shallow, under about 8–10 ft, clear water, slow and natural. Check that it's actually standing up; on a buoyant bait it may not.
  • 1/16 oz — the workhorse. Reliable stand-up in moderate depth and light current without killing the tail.
  • 7/64 oz, or a 1/8–3/16 oz wacky weight — deeper water, current, or wind putting a bow in your line. Gets down fast at the cost of finesse.

Placement: Neko weights go in the head, opposite the hook — that's what creates the nose-down stand. On a wacky rig the weight goes dead centre, or is left out entirely, to keep the fall balanced.

Let conditions move you off the chart

Wind and current. Size up. Wind's real cost isn't that you can't reach bottom — it's the bow it puts in your line, which costs you contact and delays every hookset. A slightly heavier weight buys back the connection.

Clarity. Clear water, go lighter. A fish that gets a long look at a bait dropping unnaturally fast usually declines it.

Depth. Deeper needs more, but only enough to keep the drop time sensible. Over-weighting is the most common error on both rigs.

The plastic itself. A fat, buoyant stick bait needs more weight to stand than a slim one. Two baits at the same length can want different sizes.

Keeping the weight in the bait

The most common complaint about nail weights has nothing to do with sizing: they fall out. A smooth pin pushed into soft plastic is held by friction alone, and friction loses to a few casts and a fish or two.

A few things that help:

  • Insert it dry, into dry plastic. A wet bait and a wet pin slide apart. Push it in fully so the head sits flush rather than proud.
  • Go in at the seam, not beside it. The moulding seam runs down the centre of most stick baits and gives the straightest, tightest channel. Off-centre insertions tear.
  • Don't re-use the same hole. Once a bait has been fished hard, that channel is stretched. Move the insertion point or change the bait.
  • Use an O-ring on a wacky rig. It protects the plastic from the hook, which is what usually destroys the bait long before the weight is the problem.

If you're losing weights faster than baits, that's a sign you're fishing a size heavier than the plastic can hold — which is often the same size that was killing your action anyway.

A note on line and feel

Both of these are subtle-bite techniques — often the only signal is the line moving sideways or going slack. Tungsten helps because it's hard and transmits what the bottom is made of instead of absorbing it. Braid to a fluorocarbon leader helps for the same reason: braid has very little stretch, not none, and that small difference is most of what you feel.

Neither will fix a weight so heavy the bait falls wrong. Get the size right first.

Bottom line

There is no single correct size — it's the rig, the conditions and how subtle you need to be. Carry a small spread rather than one size: 1/32, 3/64 and 1/16 oz covers most wacky and Neko fishing, with a 7/64 oz nail or a 1/8 oz wacky weight for when the wind comes up.

And when it isn't working, downsize before you upsize. Slower and more natural out-fishes fast and heavy on pressured water more often than not.

Shop nail weights or wacky weights. Fishing a Texas rig instead? The size chart covers every other technique.

Built to be what it says it is

Every Tungsten Edge weight is 97% tungsten, laser-engraved with its size, and finished with a coating meant to survive rock and timber rather than just look good in the package. The bore is diamond-polished and insert-free, so there is no plastic sleeve to work loose and no rough edge to saw at your line.