Features 1、The shape of the socket bit is a standard star, which fits closely with the contact surface during operation and is not easy to slip. 2、The socket bit has a chamfered design and a humanized inner wall buckle, which is not easy to fall off when installed on a wrench or other tools. 3、The socket bit is made of S2 alloy steel, which is resistant to wear and has a hardness of 58‑60. 4、The surface is blued to protect the socket bit from corrosion and prolong its service life. 5、The socket bit is long enough, it is not easy to break when used, and the torsion is strong and durable. Specification Item Type: Screwdriver Socket Material: Alloy steel Application: Working on tools such as wrenches Length: Approx. 140mm / 5.5in Socket Tip Diameter: Approx. 8mm / 0.3in System: Metric Specification Model: T45 Interface Type: 1/2 drive port Interface Diameter: Approx. 22mm / 0.9in Package List 1 x Screwdriver Socket