This is an adjustable wrench.
The top jaws slide into the main body, and you use the nut to adjust it.
Nut_-_Print_1x_For_Each_Wrench.stl | 969.0KB | |
Threaded_Jaws_-_Flat.stl | 1.1MB | |
Threaded_Jaws_-_Teeth.stl | 1.1MB | |
Wrench_Body_-_Flat.stl | 78.2KB | |
Wrench_Body_-_Teeth.stl | 176.8KB |