Are twin slot brackets strong enough to support a shelf layout?

Elevate your space with Twin Slot Shelving Systems Heavy-duty brackets for home, shop, office, and workshop E32 compatible, anti-microbial finish

Features: Strong and sturdy twin slot brackets Supports a range of different wood, MDF, glass or steel shelves Bacteria, mould and fungus

twin dragon slot machine 610mm White Twin Slot Shelf Bracket Free Delivery over £250 Top Shelf, the UK's largest range of customisable shelving & storage products

twin slot shelving system Key Features of Twin Slot Wall Mounted Shelving Fixing Packs Each shelf fixing pack contains 10x 2 screws and 10x 1 screws Screw holes are