This adapter converts a 3/8-inch (9.525 mm) male drive to a 1/2-inch (12.7 mm) female square socket connection, enabling compatibility between different socket sizes for efficient torque transfer. Its compact 36 mm length and durable metal construction ensure reliable performance in mechanical and automotive tasks. Key features: - 3/8-inch male drive to 1/2-inch female socket connection - Square drive types on both ends for secure fit - Compact 36 mm length for easy handling - High-impact resistant metal construction - Ideal for use with socket spanners and ratchets