Greenlee 0153-01-INS Insulated Screwdriver Kit, 9-Piece Rated to 1000 VAC and exceed both ASTM F1505 and IEC 60900 standards Dual layer insulation provides added safety and protection against electric shock against electric shock Ergonomically designed for more comfort and torque Built with precision machined, black phosphate plated tips for accurate fastener contact Built heavy duty for longer life