4" x 4" x 5/8" Radius Hinge, ResidentialDeltana Stainless Steel Hinges are great for waterside properties and outdoor use. They have excellent corrosion resistance compared to regular Steel Hinges.Finish: 35 lbsUnit of Measure (U/M): pairCorners: 5/8"Machine Screw: n/aThickness: .085Wood Screw: #10 x 1"Material: Stainless SteelManufacturer Resources:Spec Sheet