What are these style of boxes called?

What are these style of boxes called?

http://www.raysamuelsaudio.com/assets/2007/2/15/DSC_005.jpg

http://www.hardwarecanucks.com/foru...d1331429911-objective2-headphone-amp-back.jpg

I'm looking to source this same style of box for a project, but I'm unsure what sort of search terms I should use.

 

Something like a Jiffy Box.

 

extruded aluminum box

http://www.hammondmfg.com/sinkbox.htm

https://encrypted.google.com/search...:1&biw=1916&bih=1098&sei=4R8PUsyWC4ejkwWt14B4

 

http://www.wiltronics.com.au/catalo...mmond-enclosure-boxes-extruded-aluminium-case

 

Some on the Bay:

http://stores.ebay.co.uk/chinarf/_i.html?_fsub=306328819

 

I have some, the dimension is 100 x 63 x 30mm. no end caps though.

 

Hammond! that's the name I was looking for and extruded aluminum case.

Cheers guys