Wiha 32094 Slotted and Phillips Insulated Screwdriver Set, 1000 Volt, 13 Piece Each tool individually tested to 10,000 volts and certified to 1000 volt ac or 1500 volt dc Insulation molded directly onto the blade for permanent bonding SoftFinish handle solid molded core with soft outer cushion grip, 40 percent more torque than conventional handles Wiha special CRM-72 tool steel blades Guaranteed quality made by Wiha