This adjustable foot is suitable for 60mm square profiles to adjust their height. Its material is steel and it can adjust the height from 20mm to 60mm. The screw it uses is M8. You will need this leg when you want to install your booth in the exhibition hall which ground is uneven. Our vision is to bring environmental-friendly exhibition system into every expo space, the quality of all LT materials comply with German standards, up to now, the products have already been sold to more than 103 countries all over the world and are well accepted by domestic and overseas customers.