inputs.text: mostly useless - bought footrest part ergonomicdeskconversion somewhat useful 30 would not buy also not sturdy however not going return eitherprosthe product appears exactly picture gray plastic black rubber covering topthe bottom rubber coverings not scratch floor keep sliding around not concern carpet still nice featureit really easy use adjust heightthe base really large fits feet comfortablyconi wish could bring footrest higherafter weeks pressed little hard started clicking would go back levelsnot worth 30