This Action Hex Socket Bit features a 12.5 mm (1/2 inch) connection size, suitable for use with in-hexagonal fasteners. Its 16 mm blade length and robust construction ensure reliable torque transfer and accessibility in confined spaces, making it ideal for professional socket spanner applications. Key features: - Connection size: 12.5 mm (1/2 inch) - Blade length: 16 mm for enhanced reach - Overall length: 75 mm for versatile use - Hexagonal socket ensures secure grip - Durable material for long-lasting performance