Wet Heavy Supreme · Sizes #4–20
The Partridge G3A/L is a barbless wet heavy supreme hook available in sizes #4–20. It's built around a standard shank, which matches the proportions of most classic dry fly and nymph recipes — if a pattern doesn't specify a shank length, this is what it assumes, paired with heavy wire, one step stronger than standard, adding a little sink rate and useful margin when fishing for larger fish. Tyers reach for it most often when working on spider patterns, soft hackles, wet fly. The sections below break down what each specification actually means at the vice, which patterns suit it, and which hooks from other manufacturers you can substitute when it's out of stock.
Shank length (Std.). This hook has a standard shank, which matches the proportions of most classic dry fly and nymph recipes — if a pattern doesn't specify a shank length, this is what it assumes.
Wire strength (1XH). It's made from heavy wire, one step stronger than standard, adding a little sink rate and useful margin when fishing for larger fish.
Bend and gape (Sproat). The G3A/L uses a Sproat bend — a classic rounded profile known for strength and reliable holding.
Eye type (Down). It's finished with a down eye, the traditional choice, which sets a good hooking angle for dry and wet flies fished on a tippet.
Barbless. This hook is barbless from the factory, so it's ready for competition use and catch-and-release waters, and it does noticeably less damage to fish. Keep a steady line tension when playing a fish, as barbless hooks drop out more readily on slack.
The Partridge G3A/L is tagged in the Woolly Bug database for spider patterns, soft hackles, wet fly. Patterns that sit naturally on this hook include Snipe and Purple, Waterhen Bloa, Partridge and Orange, Starling and Herl. Because the hook's proportions drive the finished fly's silhouette, it's worth matching the pattern's intended shape to the shank rather than forcing a recipe onto the wrong blank.
The G3A/L runs from size 4 through 20. The smaller end of the range (down to size 20) covers midge and small mayfly work, where fine tying thread and sparse dressings matter more than bulk. If you're buying this hook for the first time, the mid-range sizes see the most use at the vice, and tracking exactly which sizes you own is where an inventory app earns its keep — it's the detail most tyers forget at the fly shop counter.
These hooks match closely on the specifications that determine a fly's proportions and behaviour, so they work as substitutes.
If the Partridge G3A/L is out of stock, the closest match in the database is the Partridge G3A. When substituting, the specifications that matter most are gape and shank length — these determine whether the finished fly keeps its intended proportions. Wire strength is the next consideration, since it changes how the fly sits in the water: a heavier wire will sink a pattern that was designed to float. Eye type is usually the most forgiving difference, though switching to or from a jig eye changes how the hook rides entirely.
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Download FreeThe Partridge G3A/L is a wet heavy supreme hook used for Spider Patterns, Soft Hackles, Wet Fly. It's available in sizes #4–20 with a Std. shank and 1XH wire.
The closest equivalents are: Partridge G3A, Kamasan B175, Kamasan B170, Fasna F200, Fasna F100. These match on the specifications that matter most — shank length (Std.), wire strength (1XH) and bend (Sproat).
The Partridge G3A/L is barbless. That makes it suitable for competition use and catch-and-release fisheries without modification.
It's available in sizes #4–20.
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