Fitting twin-slot shelving

Spur ® Wall Mounted ShelvingSpur Steel-LokShelving Brackets twin slot shelving spacing Unlike Single Slot Systems, Twin Slot Shelving provides double the amount of slots, providing stronger bracketing, better weight distribution and ultimately, a twin slot I see screwfix and toolstation do it , is their twin slot stuff any good ? spacing of the slots are slightly different from one brand

twin slot shelves Twin slot shelving can hold up to 55 kg per 200 mm vertically when screwed into a concrete wall with appropriate plugs and up to 110 kg when assembled correctly