Answer:
We are five little objects of an everyday sort, You will find us all in a tennis court.
Gets rid of bad ones, short and tall. Tightens when used, one size fits all.
The weapon of choice to create the biggest shock.
I am the red tongue of the earth, that buries cities.
It can cause deflation of tires when dropped from the rear of spy cars.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.