The Quick-Change Adapter by ACTION provides reliable connection between socket spanners and tools, featuring a 100 mm length for enhanced reach in mechanical and industrial tasks. Both ends have a 3/8 inch (9.525 mm) square connection, ensuring compatibility and efficient tool changes. Key features: - 3/8 inch (9.525 mm) square male and female connections - 100 mm length for improved accessibility - Enables quick and secure adapter swaps - Suitable for socket spanners and compatible tools - Durable construction for consistent performance