Heavy Duty Construction: Our hidden island countertop support brackets are crafted from high-quality steel, with a thickness of 1/2 inch, it can ensure unparalleled reliability. Engineered to withstand the weight of 300LB for each bracket, these heavy duty countertop support brackets provide steadfast support for your kitchen island or bar counter, promising years of dependable use without compromise. Product Size and Package Content: our package includes 2 packs of hidden island countertop support bracket. The length includes 36 inch, 38 inch and 40 inch. One piece of 4.5 inch wide flange is welded onto the bracket. 2x1.2inch long screws are included for effortless installation.