Are my walls strong enough for Twin slot shelving system?

Twin slot Shelves Storage & shelving twin slot shelving system ShelvingDirect's Twin Slot Shelving is manufactured from superior quality steel to exacting tolerances to create a long-lasting and robust, space-saving twins slot Twin slot shelving is an ideal way to store or display items Versatile, sturdy and easy to fix and adjust, they are ideal for offices, retail,

twinkle slot game A Twin Slot Matt Black 1000mm Upright that is fixed vertically to the wall to create a quick, flexible and strong shelving system that shelving brackets can