Stanley VDE Voltage Testing Screwdriver STA066119 Fully insulated circuit tester conforming to VDE, GS and GE standards. A neon indicator lamp located inside the handle illuminates when the live part of an electrical circuit is detected. Suitable for use on circuits where the current does not exceed 250 volts.Insulating plastic handle for complete safety.Sheathed chrome vanadium steel blade for safety and long product life.3x 64mm slotted. STA066119