The compound-action handles are coupled to jaws that remain parallel throughout their range of movement.
Pliers - Parallel Action – Cool Tools
Parallel Action Pliers, Jewellery Making Tools
Parallel-Action Round and Flat-Nose Pliers
Flat Nose Parallel Plier 160 mm
Parallel-Action Pliers with Nylon Jaws
Flat-Nose Parallel Action Pliers with Brass Jaws, PLR-0069
PARALLEL-ACTION PLIERS SET
Quality Watch Back Case Closing Pliers Rubber Jaws Watches - Australia
Set of Heavy Duty Parallel Action 160 Mm Flat Nose Pliers
Flat-Nose Parallel-Action Pliers - RioGrande
Parallel Pliers: UK-made Parallel-Action Pliers for Grip - Maun
The Cup Chain Parallel Plier is an easy-to-use device to set Swarovski crystal stones into a bezel cup or cup chain with one push. Set your gemstones in bezel cups and cup chain with one squeeze of your hand. Parallel plier design gives even pressure to push down the prongs evenly. This plier comes with four interchangeable heads.
PLCUP - Cup Chain Parallel Plier 4 Head Sizes
What Are Parallel Pliers For Jewellery Making?
Parallel Action Pliers, Jewelry Chain Nose Pliers