The spring-loaded bumper means that you can smoothly increase and lessen your desk from the standing height to the height with the desk, table, or System on which you select to position the converter. And when you decide to pack it up, it folds totally flat. The keyboard shelf is https://standing-desk-big17159.shotblogs.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-standing-desk-parts-51200300