Callero Plus Treble Column Trolley Set 13, Metal, 1 Shelf, 12 F2 Deep Bins, 40.6" x 17.3" x 41.5", Silver/Grass GreenVersatile, modern and secure, the Callero Plus Treble Column Trolley is designed with STEM, STEAM and collaborative learning in mind. Its multi bin concept and triple wide format deliver maximum flexibility. Transport your equipment from place to place and create a one stop central location for all of your students' necessary supplies. Child friendly StopSafe runners make it easy to access the bins' contents while preventing the bins from being pulled