The design is simple grottenschlecht. It feels unglaublichwerweise even cheaper as the old USB2 2.5 "case from Sharkoon. Yes, you can. The metal plate as a cover bend at the slightest stress. Simply lock the wayward lock jaw and you've got a nice dent. It can be opened with little effort despite an engaged hook. leaving I would it not. For one third of the current purchase price, it would be just OK.
At least can quickly switch plates. The working speed is acceptable. On an Intel QM77 adapter delivers when copying a Samsung 840 Basic on a 840 per read 264MB / sec and 163MB / sec write.