Usage Tips:Packaging and size: 6 Pieces Floating Shelf Brackets (mounting screws are not included), Product Size: 70 x 75 x 14mm / 2.8" x 3" x 0.55" (L*W*T); Mounting Hole Distance: 42mm/1.65".Sturdy and durable: these brackets are made of high quality stainless steel, precision welded, strong and durable, anti-corrosion, wear-resistant, anti-rust and non-flexible, providing strength high load-bearing.Easy to install: With 2 mounting holes, use a few basic DIY tools for effortless installation in just minutes.Applicable size: 3-inch deep shelf brackets are sturdy enough to securely support up to a certain weight, and support a board width of 100mm to 300mm. Fully Concealable: Use a planer saw tool to remove 0.55" of the wood. Designed to completely hide behind your shelf, small profile for easy concealment.About Stainless Steel Hidden Invisible Floating Shelf Brackets Floating Shelf Brackets will help you maximize your home's space and improve its flexibility . Widely used on the back wall of home, kitchen, garage, office, cafe, restaurant, etc. When properly installed, the sturdy shelf brackets can put home decor, such as photos, sculptures, mini flower pots, etc., which will add a touch of elegance to your decor.Specification:- Installation way: Screw fixing-Colour: Slivet-Product Size: as photo show- Fit Board Width: 100mm - 300mmPackage includes:6 x floating shelf brackets (mounting screws are not included) Note: The data are all manual measurement, please allow 1-3cm error, in Due to the light and display difference, there will be some color difference, depending on the physical item received.