Review on FRMSAET Heavy Duty Ball Bearing Keyboard Drawer Slides - 16 Inches/Black - Durable Cabinet Furniture Hardware Rails by Justin Spence

When I first took these out of the box I was pleased at how heavy duty they are and they seemed to have a smooth glide. Then I went about installing them.First of all, the description says they take just a few minutes to install, not at all true in my case. If you can turn your project upside down, which I could not, you'll be struggling to hold it up while aligning and mounting the darn thing. I eventually tore apart a cardboard box and used it as a template, but it was still a struggle. I was trying to hold it up with my head while screwing it in.Next, it has a lot of play side to side, so it doesn't feel sturdy at all, it's "wobbly". Worst of all, the thing doesn't have a locking mechanism to keep it out while in use. If you don't rest your hand on it while using the keyboard, it would be okay, but who does that really? It just doesn't have the sturdy feel I thought it would by reading the reviews.