What is this called

[rushmore1305]

hello i am thinking of starting on building my own laser machine and am wondering does anyone know what this thing is called and where can i buy them
they are also used in cars, when you open the hood it keeps it open

[zmocar]

Gas struts, gas springs, gas stays, stays, gas lifts, gas lifters - you can search these names and probably find what you need.
They come with all sorts of lengths and weight support.

[rushmore1305]

ok cool thank you very much