Size Length 100mm/4in 150mm/6in 200mm/8in 250mm/10in 300mm/12in 350mm/14in Width A: 100mm/4in Width B: 50mm/2in Thickness: 6mm/0.24in Height: 25mm/1in Material: stainless steel Colour: black, white Mounting: screw fixing Packing: bracket*2 with screw fittings (board not included) Concealed shelf brackets can be used up and down, they are precise 90 degree industrial wall shelf brackets Shelf brackets are made of 1/4 inch thick stainless steel and hold 160lbs per pair. Perfect decorative shelf brackets for home decor and storage We make sure the brackets are 90° level, you can rest assured that you can place anything you want on them Striking contrast between metal and wood, or use with a weathered board for a more farmhouse feel Manual measurement will exist about 1-2mm error, please prevail in kind Comes with screw fittings, please keep away from children, babies and pets to avoid accidental swallowing Thickening: 1/4 inch thick, these shelves are made of high-quality steel and have hidden functions, adding a sense of fashion to your room Hidden: The floating shelf bracket can be easily hidden between the wall and the shelf. Through exquisite bending techniques, it can also save you a lot of space Bracket: The appearance without welding structure is suitable for all areas of the home, making your kitchen, study, and workbench look neat and orderly Floating: The special bracket design hides them during daily use. You will have a true floating rack experience Perfect: Our simple yet modern floating DIY shelf bracket includes 2 brackets that can be used for wall mounted open shelves