They are then accurately ground

Bi-metal construction: High-speed steel teeth for superior durability and sharpness

Precision-engineered carbide mortising bits from Virutex

which I use and like it a lot since no truing is needed and it delivers a superior edge on all my carving tools

Crescent 7" Curved Jaw Locking Pliers with Wire Cutter C7CVN-08 Impact Drill Bit They are then accurately groundCrescent locking pliers are made to an exacting standards that result in improved durability and long term performance. They meet stringent ASME B107. 24 and B107. 36 standards, as applicable, including standards for strength and maximum jaw capacity. All Crescent locking pliers have a cushion grip trigger release for easier opening and large hex key recess for additional leverage when tightening. The head and body also have a narrow profile necessary