1. connect the internal drive to clone (on an SSD in my case), using the box ... or not
2. to transform the recovered disk backup external drive
... Very economical!
Otherwise the housing itself is plastic, but solid. Closing the pins close well: no fear of seeing open. The disc is well maintained (+ spikes returning in small rubber strips glued on the cover).
Perhaps less pretty than a brushed aluminum housing, but "it does it" ... and this is the main!