The Wera 410 i VDE Insulated 1/4″ Drive Ratchet T Handle is a VDE-insulated drive handle designed for safe, controlled fastening in live electrical environments, rated for working at up to 1,000 V AC. The fine-toothed ratchet mechanism delivers fast, precise tightening and loosening, while the T-handle geometry allows high torque transfer in confined spaces. The recesses in the fast-rotating sleeve enable resistance to be generated by finger force alone, meaning the ratchet can be engaged even where screw resistance is minimal — ideal for delicate or precision electrical work. Ergonomics have been carefully considered: the handle fills the whole hand naturally, with softly rounded notches that keep fingers seated firmly during use. The coated handle also protects sensitive surfaces from marking or damage during operation. Each tool is individually tested to IEC 60900 at 10,000 V, providing certified safety assurance for electricians working on installations up to 1,000 V. Compatible with 1/4″ VDE bit sockets and sockets from the Wera Zyklop VDE series 8740, 8760, 8767, and 8790, making it a versatile addition to any VDE-rated socket set. Features and Benefits: • Fine-toothed ratchet mechanism for fast, powerful and precise working • Fast-rotating sleeve with recesses allows finger-force resistance generation for low-torque fastening • Integrated ball lock for secure socket and bit attachment • Reversing lever for clockwise and counterclockwise direction change • T-handle geometry enables high tightening and loosening torque transmission • Ergonomic handle with softly rounded notches for a secure, comfortable grip • Coated handle protects sensitive surfaces from damage • Individually tested to IEC 60900 at 10,000 V — approved for use at 1,000 V AC Contents: 410 i VDE A RA VDE-insulated T-handle adapter screwdriver with ratchet functionality for 1/4″ sockets, 1/4″ x 130 mm Specifications: Drive Size: 1/4″ Overall Length: 130 mm Voltage Rating: 1,000 V AC Test Voltage: 10,000 V Standard: IEC 60900