Adjustable Laser Jack-Stand Bed!

While I was working another project, I came across these cheap laboratory adjustable jack-stands ( https://www.amazon.com/100mm-Stainless-Steel-Scissor-laboratory/dp/B01M3SEWX0/ref=as_li_ss_tl?ie=UTF8&qid=1511290365&sr=8-2&keywords=adjustable+lab+jack&linkCode=sl1&tag=diy3dtech-20&linkId=48ed4507390d0bfef28437d2911d6ffb ) thought to myself these would make a great base for an adjustable laser bed. However the 8 inch version sat too high but the 4 inch was just right high wise but 4 inches was t