Specification: Used for removing stuck screws or nuts on large wheels such as trucks or agricultural machinery. Inside the wrench, there are gears that convert a relatively small input force into a high output force through repeated turning of the crank. The Proline is improved compared to most similar products on the market and features a bearing in the drive cover that enhances the durability of the drive, as well as a rack that increases the strength of the entire mechanism. Comes with 4 sockets: 27, 30, 32, 33 mm, an extension, and a sturdy case with metal latches. Maximum torque: 6800 Nm. 1:64 gear wrench, 1-inch square drive, compatible with all 1-inch socket inserts used in other tools. Length: 345 mm.