13-30 inches (supports up to 10kg) Height adjustable For desk installation Made of steel Black Purchased in December 2024 for a room makeover, but I won't be using it, so I'm putting it up for sale. I only assembled it once for setup. When disassembling, it seems I lost the cushioning material 【6】 in the instructions (photo 4), so I've purchased and will include a circular rubber piece (perfectly sized) and corner pieces (these have some cushioning; you can cut them to your liking). I hope you can use either one. There are some scratches from the setup (photo 7), but the paint is not chipped. I will ship it in a suitable box. Please consider the above before purchasing.