Solid mount but is not easy to mount he TV to it. You need to hold the TV against the mount face and turn in the screws with your other hand. Most mounts that I have used allow attaching the TV to a mount plate and then hang the plate onto the support arm.
Came ready to go. For the 22 inch screen we were using it did not need the arms. Complete installation was done in 20 Min, that included trimming one edge of the mount to clear the power plug( I think this TV being so small is the reason why I had to trim it).