Forming Wire Loops and Curls with Foam-Grip Round Nose Pliers

By Jewellery Tools UK — Hand Tools for Jewellers & Silversmiths | Published: 2026-11-01

Category: How-to Guides

Learn a repeatable five-step method for forming even wire loops and curls with round nose pliers, plus the checkpoints that keep a run of links consistent.

Quick answer

To form an even loop, grip the wire near the tip of the round jaw, bend it around the jaw in one smooth pass, and reposition rather than forcing a larger loop from a single grip. Repeat the same jaw position for every link in the run.

Why jaw position decides loop size

On a round nose plier, the jaw tapers from narrow at the tip to wider at the base. The wire wraps around whichever part of the taper you grip, so moving the wire up or down the jaw changes the finished loop diameter more than changing hand pressure does.

This is why a tidy run depends on marking one working position on the jaw and returning to it. If you form the first loop near the tip and the next one halfway down, the links will not match even if your bending motion is identical.

When a single grip is not enough

Fine wire can often be curled in one pass around the jaw. Thicker or stiffer wire may need two or three small repositioning moves, each continuing the same curve, rather than one hard squeeze. Forcing a full loop in a single grip is the most common cause of crushed wire and flattened curves.

The same applies to holding findings: grip them lightly enough to steady them while the working wire moves, and release before repositioning so the finding does not mark.

Comfort and control over long runs

Loop forming is repetitive, and hand fatigue shows up as inconsistent pressure in the last third of a batch. Cushioned grips help here, but they do not replace a relaxed grip and regular breaks. If your loops start drifting in size, stop and check your jaw position before changing tools.

Five steps to matching loops and curls

Mark your working position on the jaw: Decide the loop diameter you need, then note where the wire sits on the taper for that size. Use the same spot for every link in the batch. If you cannot repeat the position by eye, mark the jaw with a removable reference before starting.
Grip the wire without crushing it: Close the jaws just enough to hold the wire at your marked position. The wire should not slide, but it should not show flat spots either. Check the first piece for jaw marks before forming the rest of the run.
Bend around the jaw in one smooth pass: Rotate the pliers or the wire steadily so the wire follows the curve of the jaw. Keep the motion continuous rather than stopping and restarting. A jerky pass leaves a kink where you paused; smooth it before continuing.
Reposition for larger loops instead of squeezing harder: If the loop needs to be bigger or the wire is stiff, release, move the wire slightly along the jaw, and continue the curve in a second pass. Never force a full loop from one grip on thick wire.
Compare each loop to the first before moving on: Lay the new loop beside your reference piece. If the diameter or the curve differs, correct your jaw position before forming the next one. Catch drift early; reworking a whole batch is slower than checking each link.

Tool notes

Loop & Curl Forming — Round Nose Pliers, Black Foam Grips, Stainless Steel, Wire Work: Stainless-steel jaws that are precisely aligned, with cushioned black foam grips. Aligned jaws grip the wire cleanly instead of crushing it, and the foam grips reduce fatigue during a long run of matching loops.
Loop & Curl Forming — Round Nose Pliers, Black Foam Grips, Stainless Steel, Wire Work