Please help me with twin slot shelving

10 Pack 270mm White Watson Twin Slot Shelving Bracket 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 diamonds xmas slot ensure the spacing between the shelves suit your needs 10 SAFETY FEATURE: Drop-and-lock bracket design prevents the bracket from accidentally being

twin slot upright Watson Lok Twin Slot Shelving; 270mm White Bracket; 10 Pack; When fitted correctly in normal conditions, the system is guaranteed for two years