Machining the blades to an optimized 82-degree angle allows them to be strong yet sharp, producing a satisfyingly smooth, clean cut that requires minimal effort.
After the full pliers have been heat treated, a secondary induction-heating process hardens just the blades to 58–64 HRC, making them extremely durable and able to cut tougher materials.
Comprised of two opposing blades that meet in the center, it is an extremely reliable cutting method, especially for harder wires. For a clean, low-effort cut, it requires a high level of manufacturing expertise to produce the near perfect alignment of the blades. When this cannot be consistently achieved, some manufacturers may turn to a less effective knife-and-anvil design (one knife blade, one blunted blade) that doesn't require such precise alignment.
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