This 3/8" extension bar measures 250 mm in length, providing enhanced reach for socket spanners in confined or recessed areas. Its 9.525 mm (3/8 inch) square drive ensures compatibility with a wide range of sockets, while the ball-type end secures sockets firmly for safer and more efficient operation. Key features: - 250 mm length for improved accessibility - 9.525 mm (3/8 inch) square drive connection - Ball-type end for reliable socket retention - Compatible with various socket spanners - Suitable for automotive and mechanical tasks