
The Wera 05024690001 781 A/B VDE Connector (1/4″ to 3/8″) is a high-quality insulated adapter designed for safe and efficient use in electrical applications. This connector allows you to convert a 1/4″ square drive to a 3/8″ external square drive, expanding tool compatibility while maintaining full VDE safety compliance.
Engineered for professional electricians, the connector is individually tested to 10,000V and rated for safe use up to 1,000V in accordance with IEC 60900 standards, ensuring reliable protection when working on live systems. The dual-layer insulation design features a red outer layer with a yellow core that becomes visible if damaged, providing a clear visual safety indicator.
Compact, durable, and built for precision, this insulated connector is an essential accessory for expanding drive options while maintaining maximum safety on the jobsite.
Features
Drive Conversion Adapter – Converts 1/4″ square drive to 3/8″ external square drive
VDE Insulated Safety – Rated for safe work up to 1,000V
Individually Tested – Tested to 10,000V in accordance with IEC 60900 standards
Dual-Layer Insulation – Red outer layer with yellow core for damage indication
Enhanced Electrical Safety – Designed for use in live electrical environments
Compact & Durable Design – Built for long-lasting professional use
Improved Tool Compatibility – Expands use of sockets and accessories across drive sizes