Don't play guessing games with electricity grab the FX Tools Voltage Tester Set, your go-to for ensuring safety and accuracy in all your electrical projects. This set of 2 insulated shaft testers packs a punch with its quality construction, spanning voltages from 110 to 250V effortlessly. Need a light in dark corners? No worries, the integrated glow lamp has you covered. Whether you're fixing a switch, checking a socket, or tackling that wiring project, these testers make it a breeze.