100-500V 3mm*65mm Insulated Voltage Tester Pencil & Electric Test Screwdriver

The 100-500V insulated voltage tester pencil is a professional-grade electrical testing tool designed for safety and functionality. With a 3mm*65mm testing tip and insulated handle, this dual-purpose tool serves as both a voltage detector and precision screwdriver.

Constructed with hardened chrome-vanadium steel blade and durable PP/PVC handle, the tester pen features magnetic tips for convenient screw handling. The ergonomic design provides comfortable grip while the anti-roll feature prevents accidental drops during electrical work.

This voltage detection tool is ideal for electricians, technicians and maintenance professionals working with 100-500V electrical systems. The bright handle color enhances visibility in low-light conditions, while the insulated construction meets electrical safety standards.

Key features include high rainbow screwdriver tip, fully-heated treatment for durability, and unadjustable straight-type structure for reliable voltage testing. The compact 35X35X20CM size makes it portable for various electrical testing applications.