Sleek and Strong Glass ShelfConfiguration transparent plastic pieces that goes between bracket and glass.The plastic parts on the bracket that cushions the bracket from the glass.Not gap between the bottom glass and top supports,thus well support the shelves.Nicely designed, have good access to the wallfirmly attached to the wall.There is a small metal disc, which serves to protectively hold the glass in place.Shelf supports are made of a SUS304 stainless steel metal,ensuring durability.Max Load: Max. load is 10 kg/22 lbs, screw-mount on concrete wall.Materials: stainless steel & Tempered Glass,Finish: White,Installation: Wall-Mounted.