Can anyone help identify my twin slot shelf bracket?

Heavy duty twin slot wall uprights; Available in 7 Sizes; Sold as SINGLE items; Compatible with our HULK twinslot shelf brackets & Spur fit high street

Twin Slot Shelving is a configurable system of wall mounted brackets and shelves which can hold a range of accessories for display and storage purposes A slot

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twin slot shelving spacing DIY Wall Mounted Shelves & DIY Wall Mount Desk 10K views · 3and how to fit TWIN SLOT