Wiha 32091 5-Piece 1000-Volt Slotted and Phillips Insulated Screwdriver Set Wiha tools are made to ISO quality standards. Wiha has been making Premium Tools For Over 60 Years Each tool individually 10,000 tested for insulation integrity, ergo molded insulated cushioned grips, 1000-Volt rated Handle and insulation molded on for maximum durability Exact fit precision machined tips, Wiha special CRM-72 tool steel blades Super hardened and tempered for long life performance Guaranteed quality made by Wiha