It's a common expression that emphasizes the importance of having the right tools to effectively perform a task.
Here are some examples:
* A carpenter's tools of the trade: hammer, saw, screwdriver, measuring tape, etc.
* A doctor's tools of the trade: stethoscope, medical instruments, prescription pad, etc.
* A chef's tools of the trade: knives, cutting boards, pots, pans, etc.
* A journalist's tools of the trade: notebook, pen, recorder, camera, etc.
The phrase can be used in a variety of contexts, from casual conversations to professional settings. It highlights the specific equipment and resources that are necessary for success in a particular field.