Basic product parameters: Screwdriver bits: T20, T15, T10, PZ2, PZ1, PH2, PH1, S6, S5, S4. Sockets: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm Easy to use: The handle is very easy and comfortable to use, and the direction of the ratchet wrench can be adjusted by the switch on the handle, which can save a lot of energy when using it. High-quality materials and exquisite design: The ratchet wrench has high hardness, fine workmanship, and is very strong and durable. This wrench is designed to accept a screwdriver bit or socket and can be used as a screwdriver or wrench Wide range of applications: 1/4 inch wrenches fit a variety of screwdriver bits or sockets, so they can be used to drive many types of screws Useful tool: It will be a very useful tool for home, garage, metal shop, carpenters, builders, technicians and more.