The spring-loaded bumper means that you can easily elevate and lower your desk from a standing height towards the height in the desk, table, or platform on which you decide on to put the converter. And when you choose to pack it up, it folds entirely flat. Earlier mentioned this, https://standingdesktops57912.losblogos.com/36238454/standing-desk-deals-things-to-know-before-you-buy