Cuts 6-32 and 8-32 screws without threading. Locating ridges - easy to locate stripping holes by using one of the locating ridges. Strips 10 to 20 AWG - both solid and stranded wire. integrated opening spring makes frequent cutting easier. Shear cutting blades offer 50% higher cutting capacity than competition and 25% cutting power reduction. Cuts cable, wires, NM-B, BX and MC. Wide gripping jaws for twisting wires. Lock can either be used left or right handed. Wire looping groove to loop wire for attaching to screws. Induction hardened blades and screw shear. Conduit reaming for removing burrs. High-grade special tool steel; forged, multi stage oil-hardened.