So if you're into fly fishing, these Copper John flies are pretty much legendary for catching trout. This Feeder Creek assortment gives you 12 flies in sizes 12, 14, 16, and 18, which covers most fishing situations you'll encounter. The red body with copper wire wrapping is seriously effective at attracting fish - it mimics natural nymphs but with that extra flash that triggers strikes. The weighted bead head makes them sink quickly to where the fish are holding, which is huge when you're trying to get down in faster currents or deeper pools. They're hand-tied with quality materials, so they hold up to multiple fish without falling apart. The different sizes let you match what's hatching - size 12 for bigger fish or stained water, size 14 as a good all-around choice, and sizes 16-18 for when the fish are being picky in clear water. Copper Johns work in pretty much any freshwater situation - rivers, streams, lakes - they're just one of those proven patterns that consistently produce. The craftsmanship is solid with secure tying and durable materials that won't unravel after one fish. Whether you're new to fly fishing or have been doing it for years, having a selection of Copper Johns in your box is basically essential. They're the kind of fly you can tie on when nothing else is working and still have confidence you'll get some action. The assortment means you're covered for various conditions without having to buy multiple separate packs.