SeraphinaT 2Pcs Countertop Support Brackets 12"x 9" Heavy Duty Solid Floating 90 degree square--Our corbels for shelves can be used for floating and overhang.Once loaded the shelf to stay square and level,provide shelving with the support it needs,can be used for warehouse, counter,farmhouse,office,living room,shop,garage,kitchen,external wall etc anywhereBracket Details--12"x 9"x 2".These solid metal countertop brackets are heavy enough,they are a 90 degree stable triangular construction and welding gusset(Dimensions of the square gusset 1.6"x0.8" make sure shelf stable enough )Can support quartz,marble,granite,wood,andother applicationsSturdy and Strong--The heavy duty shelf bracket is made of durable metal,forprovides lasting,sturdy support,hard to deform,with black matte powder coated finish,has anti-scratch and anti-rust functions.Each pair of brackets can hold more than 400 poundsOur Service --If you have any questions about our products, please leave a message to me, we are happy to help you solve the problem.Space Saving-- Improve item storage efficiency. Make the most of your space.This floating shelf hardware can be used as island counter,bar top,free floating desks,bookshelf,mantel bracket,display shelf,exterior wall bracket,Industrial shelves,garage shelf,kitchen shelf etc