The Klein Tools 13157INSP Screwdriver Blades contain a bright orange coating of insulation that protects from electrical shock, as well as being flame and impact resistant. When the blades are used with the Klein Tools' insulated handle, the complete tool exceeds the ASTM F1505-2021 standards for insulated tools, and are clearly marked with the official 1000V rating symbol. Users are provided with double-ended blades that have a 3.5 in. shaft length out of the handle when used with Klein Tools insulated handle. The Klein Tools 13157INSP provides users with slotted and phillips screwdriver blades for convenience while on the job.