Ideal for secondary school science departments & prep rooms. Grey treble column frame for maximum storage on a small footprint. Supplied with 51 shallow trays in one of 4 colours Complete with back diagonal bars for additional rigidity. Compatible with all standard Gratnells trays. Frame H x W x D mm: 1850 x 1055 x 420. Tray H x W x D mm: 75 x 312 x 427. Made in UK. 5 year guarantee.