Interchange® Low-Range leg inserts adjust from 18.25″ – 22.25″ in height in 1″ increments. Compatible with any Interchange® series table or student desks. With the ability to adjust from 18.25″ – 22.25″ in 1″ increments, the low-range leg inserts are a great choice for early childhood spaces. The low-range insert pairs well with our Interchange® 3-2-1 Student Desks or Interchange® Activity Tables, the 18.25″ leg puts early learners at the appropriate seat and work surface height.