First UL tested and listed insulated tools available 1000 Volt certified (1000V AC, 1500V DC) Meets ASTM F1505-01 and IEC 60 900 standards Meets OSHA requirements for insulated tools (29 CFR 1910) Form-ground, knife-type blades for accurate, easy striping without nicking insulation Built-in wire cutter and looping holes Convenient plier nose for extra gripping strength Laser-etched wire gauge for easy-to-read visibility Spring-loaded automatic opening Corrosion-resistant, black oxide finish Tough steel construction Locking tabs keep spring in place