1. Single end solid wrench and double end solid wrench:
It is used to fasten or disassemble hexagon head or square head nuts and bolts, with single head and single specification, and double head and double specification.
2. Box wrenches and single end box wrenches:
It is only suitable for hexagon nuts and bolts. Because it is an elbow, it is especially suitable for workplaces with narrow positions, located in recesses and unable to accommodate solid wrenches. There are also bent handle box wrenches, which solve the use problems of some special environments.
3. Ratchet box wrench:
The shape and function of the box wrench are the same as those of the box wrench, but the difference is that it has a ratchet ring, which can directly rotate on the nut when in use, so that the nut can be up or down; When an ordinary wrench is used in some corners, it must be taken down and adjusted before turning at a certain angle. However, it also has its disadvantages. It can't have high torque, and it can't be used too hard, otherwise the gears and blocks inside are easy to be damaged.
4. Combination wrench:
One end solid wrench, one end box wrench.
5. Slugging solid wrench and slugging box wrench:
Like single end solid spanner and single end box spanner, the handle end can also be used as a hammer to knock.
6. Adjustable wrench:
The opening width can be adjusted within a certain size range, and bolts or nuts of different specifications can be screwed.
