A fish hook earring, also widely known in the trade as a French wire or French hook, is a finding in which a single curved wire passes through a pierced earlobe and bends back on itself in a gentle arc, relying on that curvature alone — rather than any separate clasp or butterfly back — to retain the piece. It is among the simplest and most enduring earring findings in Western jewellery, valued for its lightness, ease of wear, and the natural swing it imparts to pendant drops and gemstone dangles.

Construction and Materials

The wire itself is typically formed from round or half-round gauge metal — most commonly 20 or 21 gauge — bent into a smooth, elongated hook. The forward-facing portion that passes through the lobe is kept fine enough to minimise discomfort, while the rearward curve provides the retaining tension. A small bead, coil, or flattened ball is often worked onto the tail end to reduce the risk of the wire slipping free during wear; some versions incorporate a tiny loop or guard for the same purpose.

Fish hook findings are produced in all standard jewellery metals: yellow, white, and rose gold in 9, 14, and 18 carat alloys; sterling silver; and platinum. For fashion and costume applications, surgical-grade stainless steel and titanium are common alternatives, the latter being particularly suited to wearers with metal sensitivities. The choice of metal for the finding should, as a matter of good practice, match or complement the metal of the earring's principal mount.

Design Characteristics

Because the fish hook allows the earring to hang from a single pivot point, it is the preferred finding for any design intended to move freely — briolette drops, chandelier clusters, single gemstone pendants, and articulated multi-tier pieces. The absence of a rigid post-and-back system means the earring responds to the wearer's movement, which can enhance the optical liveliness of faceted stones by varying the angle of incident light.

The upper portion of the finding, where it emerges from the lobe, is sometimes decorated: a small coiled wrap of fine wire, a granulated bead, or a flush-set accent stone can transform the finding from a purely functional element into a visible design feature. High jewellery examples may incorporate the finding into the overall composition so seamlessly that the transition between finding and ornament is imperceptible.

Practical Considerations

The principal limitation of the fish hook finding is security: without a locking mechanism, there is a greater risk of loss than with lever-back or post-and-butterfly constructions. For this reason, many jewellers recommend fish hook earrings for occasional rather than everyday wear, or advise clients to add a small silicone or rubber keeper to the tail of the wire. Heavier drops — those incorporating large gemstones or substantial metalwork — may exert enough downward force to cause the wire to rotate forward and disengage; in such cases a lever-back finding, which incorporates a hinged closure, is generally the more prudent choice.

From a maker's perspective, the fish hook is straightforward to produce and easy to replace if damaged, which contributes to its continued prevalence at every level of the market, from artisan bench work to large-scale manufacture.

In the Trade

The terms French wire and French hook are used interchangeably with fish hook across the English-speaking trade, with no meaningful distinction in construction between them. Findings catalogues and wholesale suppliers typically list the style under one or more of these names alongside specifications for gauge, overall length, and loop diameter at the pendant bail. The finding is sold both as a plain wire and as a pre-decorated component, and is available in bulk quantities suited to production jewellery as well as in individual pairs for bespoke work.