FLEXIMOUNTS Universal Steel Work Bench Leg Kit, Garage Storage Shelving Frame Workbenches Customizable in Sizes and Colors, Maximum 96" Length, 48" Width, Adjustable Height, Black,Lumber Not Included.The work bench frame kit is made of heavy-duty STEEL. When compared to competitors' resin-made brackets, Fleximounts offers greater durability, rust-proof quality, and years of dependable load-bearing performance.