16mm thick solid melamine panel with ABS edging and predrilled holes for easy bracket attachment. 25mm holes centres. Requires 6x SU5607 UniSlot Rear-Mount Panel Brackets. Compatible with Pegboard Display Hooks. 2x Pegboard Back Panels fill a standard 2375mm high UniSlot display. 1x Pegboard back panel and 1x short back panel (rear-mount) fill a 1455mm UniSlot Freestand display.