Hidden L Bracket:The invisible design l bracket is Made of high-quality iron.This shelf brackets can provide strong support for floating shelf.And the edge of the invisible design l bracket is smooth，so the brackets will not scratches on your hands or floating shelf.Shelf Brackets: The floating shelf bracket has no lips can be truly invisible. You don't have to worry that the exposed metal bracket will damage the beauty of home decoration. The invisible design l bracket is Made of high-quality iron.This shelf brackets can provide strong support for floating shelf.And the edge of the invisible design l bracket is smooth，so the brackets will not scratches on your hands or floating shelf. Easy to install:The wall shelf bracket is 4 inches long and 2.5 millimeters thick,suitable for wooden boards below 6 inches.Note: Product Not Include Wooden Boards. Saving space:The shelf brackets for wood shelves are Not only can it help you save space,but it also expands additional space for you.And the shelving brackets can also decorate your house in an elegant and nostalgic style. Multifunctional：The floating shelf bracket can help you increases space flexibility.Can help shelf to hanging on the wall of fireplaces,entrance passages,dressing tables,and windows.Widely used in living rooms,kitchens,offices,cafes,restaurants,shops and other places.Measurement difference within 0.5-1 cm. Shelf Brackets Material: Metal Size: 4 x 3 x 0.7 inches Color: Black