Well - he snaps well, the flash is securely and firmly. The contact is established correctly - everything does what it should.
What I had not found here in the product description, but actually had suspected: The round button on the other side from the flash Synckabel is a release button: o).
This, however, is made of plastic - even better would have been if it were made of metal. Let's see how long does that.
However, since everything works and everything is fine and fit, I can only awarded 5 stars.