The all new desk series of ergonomist perfected and nature inspired standing desks for schools. Glides have a 2.5cm (1") adjustment to allow for easy leveling. Dual level chrome footrest ensures lasting durability and easy maintenance whilst offering the user comfort while standing. Single Desk measures 51cm x 66cm (20" x 26"). Grades K-3 size adjusts from 69cm-71cm (27"-28") tall. Grade 3-5 size adjusts from 81cm-84cm (32"-33") tall.