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A three-piece streamer leader that steps from 30 lb to 20 lb to 10 lb Trilene Big Game, the 3-2-1 in its name. It runs 10 feet: a 72 inch butt, a 24 inch midsection and a 24 inch tippet, joined with triple surgeon's knots. Stiff, simple and quick to tie, it is built to turn over streamers and stand up to fish that grab hard.

A 14-foot leader built for clear, calm lakes where trout can see far. The long, fine taper from .015" butt down to 5X (.006") lets you cast smaller flies with less disturbance and set the hook cleanly in stillwater. Use this when you need distance, stealth, and a natural presentation in lakes where the fish are selective. There's also a 6X variation; see the questions below.

An 18' 6" leader for fishing a single fly on a floating line in stillwater. It starts with a 30" butt of .017" and 28" of .013", then steps down through 1X, 2X, 3X and 4X sections to 82" of 5X (.006") tippet. The heavier butt carries the cast off a 4-6 wt line, and the long fine tip lets small flies land softly and sink naturally in calm water.

A 13-foot streamer leader for small baitfish patterns on a 6 wt. It runs in three pieces: 22" of .018" butt, a long 111" middle of .012" and 22" of 2X (.009") fluorocarbon tippet. The long middle lets the fly swim and drop away from the fly line, and the 2X tip holds up to hard strips and strikes.

An 8-foot leader built on a smooth, gradual taper from .018" butt to .006" tip. It's designed for light-touch presentations to panfish in still water, where a gentle cast and a forgiving taper help you land small flies without breaking off. There's also a 4X variation; see the questions below.

A 9.5-foot streamer leader for largemouth and smallmouth bass on 6-7 wt rods. It steps from a 34 inch .018 inch butt through 29 inches of .014 inch and 34 inches of .012 inch to a 17 inch 0X (.011 inch) tippet. The 0X tip turns over weighted baitfish and crayfish patterns and holds a big bass that runs for cover.

A 7.5-foot, 5X leader built on a smooth taper from .017" butt to .006" tip. It's designed to turn over small, light flies cleanly and land panfish without excess splash or disturbance. The formula suits 3 to 5 weight rods and works well where stealth and delicate presentation matter.

A 12-foot mono leader for fishing wet flies on lakes with a floating line. It tapers in .002" steps from a 36 inch butt of .021" through nine sections to a 27 inch tippet of 5X, .006". The long, fine taper lands a small wet fly or soft hackle without a splash on calm water and lets it sink and hang the way trout see natural insects.

A 6-foot (72 inch) tapered leader for panfish on a 4-6 wt rod, built to turn over small poppers and float small dries. It steps from a 22 inch .019 butt through .017, .015, .012 and .010 to 15 inches of 3X tippet at .008. The stout butt handles the air resistance of a popper, and 3X is strong enough for bluegill and crappie around weeds.

Lefty Kreh's simple 9-foot leader: about half butt, a quarter middle, and the rest a short step and tippet. Here that is 48 inches of .024 mono, 24 inches of .021, 12 inches of .018 and 24 inches of .013 at the fly, joined by three blood knots. Built for a 7-8 wt line, it turns over streamers, bass bugs and light saltwater flies.