Hello , will i m a engineer , i have my own garage and i have been stay in BMW company before.

This is what i saw when i have go to visit my friends garage .
And i only know its the spring compressor probably to remove the spring or some part in the shock absorbers.




It's very cool but i would like to know where can i know about this equipment ???

Sorry , it my first time to post if anything is wrong i will delete it .
Thanks you guys.