Fario FR210BL

The Fario FR210BL is a barbless competition hook available in sizes #12–20. It's built around a shank one size shorter than standard, giving a compact profile that suits short-bodied naturals like midges, buzzers and small emergers, paired with fine wire, one step lighter than standard, which reduces the fly's weight and helps dry patterns sit high on the surface film. Tyers reach for it most often when working on general purpose. 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 (1XS). This hook has a shank one size shorter than standard, giving a compact profile that suits short-bodied naturals like midges, buzzers and small emergers.

Wire strength (1XF). It's made from fine wire, one step lighter than standard, which reduces the fly's weight and helps dry patterns sit high on the surface film.

Bend and gape (Wide). The FR210BL uses a wide gape, improving hook-up rates and leaving clearance for a bulkier dressed body.

Eye type (Straight). It's finished with a straight (ring) eye, the most versatile option — it keeps the fly tracking in line with the leader, which suits nymphs and streamers.

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.

What size Fario FR210BL should you use?

The FR210BL runs from size 12 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.

What can you substitute for the Fario FR210BL?

If the Fario FR210BL is out of stock, the Woolly Bug app lists 1 comparable hook. 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.

How the Hook Finder works ›