It is quite common to adjust value while developing a game, and sometimes we need to put down those values while game is running. There are two ways of doing so:
Click the gear icon
Click the small gear on the right side of the component in the Inpsector, select Copy Component, and then on other objects of the same type, click on the small gear, and select Past Component Values. Like the following:
Right click the component name
It can also be operated by right-clicking the component name in the Inpector. as follows: