Which wall fastenings for twin slot shelving?

HULK Twin Slot Shelving System twin slot wall mounted shelving Available in 150, 200 and 250mm lengths These clip into the twin slot upright to give a solid fixing, preventing books and documents from sliding Sprig rod twin spin slot uk Wall Mounted Shelves · Bracket · Slot · System · Feature Follow Twin Slot Uprights are fixed directly to the wall and feature twin slots at

twin spin deluxe slot The Sapphire Twin Slot Wall Mounted Shelving Upright 1000 mm L White which comes in white colour is used for wall mounting the shelving in an upright