The bit head is crafted from carbon steel, with a specially surfaces that have extremely high hardness, wear resistance, and is not easily deformed It is suitable for fastening and disassembling various screws, effectively extending its service life This bit of head can widely apply to various hand drills and electric screwdriver, with easy operating, and can cope with a wide ranges of home maintenance, furniture assembly, and industrial applications The product also comes with a rings, which enhances the screw ' s fixing ability and provide users with more convenience, especially when dealing with small or easily dropped screws, which can effectively loss This bit of head features a double head design, including a standard crossed head and a character head on the other side, suitable for various type of screws, allowing users to quickly switches and effectively meet different needs This electric screwdriver head adopts a strong design, which can firmly adheres to screws, ensuring that not easily dropped during operating and improving work efficiency It is particularly suitable for working in narrow space or high place, Manufacturer: ERRORY