it takes about 3 seconds to lower or raise my (electric) height adjustable desk. I got it for £200 off ebay. You can just about see the mechanism on this post a

it takes about 3 seconds to lower or raise my (electric) height adjustable desk. I got it for £200 off ebay. You can just about see the mechanism on this post about my workspace http://qiip.me/edlea/blogger/post/4019 http://qiip.me/edlea/blogger/post/4019