Whether you're a professional or a enthusiasts, this- lathe tool holder wrench set is designed to meet your needs and your expectation. From repairing engines to assembling furniture, this- tool set is ideal- for wide of applications and can be used in both industrial and home settings. The 45# steel lathe tool holder wrench/key-/inside square wrench is the tool for any handyman- durability and versatility. With its precise measurements and ergonomic this- tool set ensures efficiency and comfort during use. 45# steel carbon steel) and treated with a black finish, this- tool set is built- to last and withstand heavy use., Manufacturer: TWEW