Upgrade your toolkit with this flat head test light screwdriver, designed for both safety and reliability. Featuring a durable transparent handle and a fully insulated shaft, this tool allows you to quickly and safely test electrical circuits, outlets, and connections. The ergonomic grip ensures comfortable use, while the lightweight design offers easy handling and precision. Ideal for electricians, DIY enthusiasts, and homeowners alike. Add this essential tool to your set for efficient and secure troubleshooting. Test Voltage: AC 100-500V Slotted size: 140mm Shank hardness≥50HRC AS handle.