Klein VDE Insulated Screwdrivers Flat Posi Phillips 1000v Only use tools that are marked with the official international 1000-volt rating symbol shown below, if there is any chance that the tools will make contact with a live electrical source. Whenever possible, always switch off lines and equipment prior to working on or around them. Always inspect your tools before use. Do NOT touch uninsulated portion of the tool or any conductive object when either might contact a live electrical source. Keep tool clean, dry and free from any surface contaminants. Destroy tool if the insulation is damaged in any way. Do NOT use to pry or chisel. Wear approved eye protection.