High-strength steel, ensuring wear resistance and resistance, providing excellent durability, and extending the service life of tool The inner hexagonal part is precisions machined to ensures complete fit with the screw, reduce slipping, enhances gripping force, and improve during use The hexagonal socket is elongated type that can easily reach narrow or difficult to reach space, making operations flexible and, suitable for use in various complex environment Strong, which can firmly attach screws, from falling off during work, improve work efficiency, and reduce time waste This product is suitable for various screwdriver and electric tool, with a wide ranges of applications, making it ideal for professional workers and enthusiasts, Manufacturer: LXXAOFDC