This 1/4" square drive socket features a 10 mm wrench width and 4 mm wrench depth, with a total length of 50 mm. Its magnetic design ensures secure fastening, making it ideal for use with hexagonal nuts in impact screwdriver applications. Key features: - Connection size: 1/4 inch square drive - Wrench width: 10 mm, wrench depth: 4 mm - Length: 50 mm for extended reach - Magnetic socket for reliable grip - Suitable for impact screwdriver use