The Wera 8740 A HF Zyklop VDE Insulated 1/4" Drive Hexagon Bit Socket in 4mm offers a versatile mid-small size well suited to a wide variety of electrical and mechanical applications involving hexagonal socket head screws. The 4mm hex is a common fastener size found across electrical panels, junction boxes, and light engineering assemblies. Its holding function grips screws securely during insertion, reducing the risk of losing fasteners in confined or awkward working areas. The two-component insulation system — a yellow inner core beneath the outer red VDE layer — provides immediate visual indication of any insulation damage, keeping you informed and protected at all times. Features and Benefits: • Individually tested to IEC 60900 at 10,000 V — approved for safe working up to 1,000 V • Holding function secures screws to the tool during insertion • Two-component insulation with yellow core visible if outer red layer is damaged • Extremely compact design for working in confined spaces • Plastic sleeve protects surfaces from damage • For hexagonal socket head screws Contents: 8740 A VDE HF Zyklop Bit socket, insulated, with 1/4" drive, with holding function for hexagonal socket screws, 4 x 45 mm Specifications: Drive Size: 1/4" Hex Size: 4mm Overall Length: 45mm Test Voltage: 10,000 V Approved Working Voltage: 1,000 V

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