Pliers are the hand tool with opposing jaws used in jewellery fabrication and stone setting for gripping, bending, and manipulating metal wire, sheet, and findings. Several distinct profiles are kept on every working bench, each suited to particular tasks: flat-nose for straight bends and gripping flat work, chain-nose for fine work in tight spaces, round-nose for forming loops and curves, and half-round for shaping bands and bezels. Quality bench pliers are made from hardened tool steel with precisely aligned jaws and comfortable handles.

Profiles and their uses

Flat-nose pliers have parallel rectangular jaws that meet across their full length, used for gripping flat sheet, holding work flat against the bench, making sharp angular bends, and straightening bent wire. Chain-nose pliers have tapered round-on-the-outside, flat-on-the-inside jaws that come to a fine point, used for working in tight settings, opening and closing jump rings, and holding small components. Round-nose pliers have tapered round jaws used for forming loops, curls, and curves at controlled radius. Half-round pliers have one flat and one round jaw, used for shaping ring bands and bezel strips against a curved surface.

Specialty pliers extend the basic set: parallel-action pliers grip without rocking the work, prong-bending pliers have shaped jaws for adjusting setting prongs, bow-opening pliers hold ring shanks for sizing work, and chain-cutting pliers combine gripping and cutting functions. Each addresses a specific bench task that the basic profiles handle imperfectly.

Construction and finish

Quality pliers are forged from hardened tool steel — typically chrome-vanadium or similar — and machined to fine tolerance so that the jaws meet evenly across their length. The pivot is precisely fitted to eliminate side-play, the handles are designed for sustained use without hand fatigue, and the jaws are either left bright for visibility or polished to reduce work-marring. Some pliers are nylon-coated on the jaws to prevent marring soft metals like silver, gold, and platinum during fine work.

Cheap pliers fail on every count: jaws that don't meet evenly, pivot play that introduces inaccuracy, handles that bruise the hand, and steel that fails to hold a true edge. The bench economy favours quality pliers from established makers such as Lindstrom, Wubbers, Bergeon, and Tronex, which last for decades with appropriate use.

Maintenance

Pliers require minimal maintenance. The pivot benefits from occasional light oil; the jaws should be kept clean of metal swarf and abrasive contamination. Severe damage to the jaws — chipped tips, ground-down profiles, sprung pivot — typically warrants replacement rather than repair on bench-grade tools.

In the trade

The basic four-profile set — flat, chain, round, half-round — is the working minimum. Production benches accumulate specialist pliers as the work demands. The setting bench typically retains a separate dedicated set of pliers used only for stone setting, kept clean and unused for general fabrication so that no contamination reaches a stone in setting.

Further reading

• GIA — bench tooling reference
• International Gem Society — bench tools and fabrication
• AGTA — trade practice