This 9 mm square drive socket offers precise fastening of hexagonal nuts, combining compactness with durability for industrial use. Its 12 mm wrench depth and 38 mm length provide secure grip and access in confined spaces, compatible with 1/2 inch square drive tools and impact screwdrivers. Key features: - Wrench depth: 12 mm for firm engagement - Total length: 38 mm for tight space accessibility - Connection size: 1/2 inch square drive - Suitable for impact screwdriver use - Surface protection for enhanced durability