This adapter provides a secure link between a 1/4 inch (6.35 mm) hexagonal male drive and a 3/8 inch (9.525 mm) square male socket, extending reach by 100 mm. It is ideal for professionals needing precise torque application in confined or hard-to-access areas. Key features: - 100 mm length for enhanced accessibility - Connects 1/4 inch hex drive to 3/8 inch square socket - Hexagonal male to square male connection types - Compatible with various socket spanners and hand tools - Robust construction for durability and long service life