The K&M brand has in my opinion a very good place with musicians. I've found their products to be very good!
I use these stand with a pair of Yamaha HS7's. And if you are wondering yes, anything of the same relative size will do fine on these speakers. Anything from the HS8's onward in terms of size might require the bigger version of this. I had doubts if this would or wouldn't fit on my speakers but after reading some reviews most said they're fine so I decided to go with them.
The construction is solid very visually appealing, they look amazing under my black HS7's the provide a clean look with functionality as well. They also give a larger sense of space to my desk. Having floor to speaker stands wasn't an option so this worked wonders.
What about decupling? Since that's what we're interested in while producing, mixing or mastering, it does a very good job. While at higher volumes you will feel the effects of the speaker through the table, I don't think it's a realistic scenario. If the speakers are on your desk, chances are you're not far away from them crank them over 40% volume. For this it provides an excellent decupling and raising solution that is elegant and sturdy. I would def recommend this to anyone looking at a pair of these.
NOTE: They do not sell in pairs so you need to buy two of these. Would of liked an option to buy 2 at once at a lower price maybe.
They are more expensive than some other solutions but for the reasoned mentioned above I think they are worth every penny and then some.