4 MM Sturdy Steel: Product size：9.5 x 5.9 x 3.5"; Quantity: 8PCs; The Workbench Corner Bracket is made of 4 mm thick steel, sturdy and not easily deform. Heavy-duty corner brackets can help build a workbench according to your specifications and strengthen the workbench table leg for stability. For 4 x 4 & 2 x 4 Lumber: The corner brackets are designed for 4×4" and 2 X 4" lumber. The fixation holes are deviated from each other to avoid collision between bolts. In addition, 8 brackets to build a workbench any length, width, or height you need while keeping the legs and top be parallel, plumb, and square. Competitive Details: 3 processes are included: deburring, sandblasting, and hi-temp powder coating. Deburred by a professional machine can remove burrs left cutting the steel to keep the shop table brackets smooth. Then with the sandblasted and powder coated to be rustproof, abrasion-resistant for your prolonged use. Easy to Assemble: A hardware kit is included for easy installation, including 35 pcs bolts (12 cm), 35 bolts (6 cm), 70 nuts, and a wrench. Cling the brackets to the lumber or steel legs and a wood or metal work surface, then bolt it together with our wrench. They can fasten the workbench firmly and quickly. Versatile Uses: The steel angle brackets have a wide range of applicability. They are very suitable for indoor and outdoor use, including workbenches, boxes, patio tables, aquarium stands, barbecue tables, etc.