XDYFYY Flat Round Grates are suitable for planting beds, mulched areas, window wells, and zones prone to debris accumulation. Round Grating Dimensions: 12-inch diameter, 1-inch height. This grating effectively collects and drains standing water from driveways, patios, courtyards, and other outdoor areas. Featuring a high-strength, durable design, it resists chemical corrosion and rust, requires no maintenance, and is lightweight and easy to install. For safety and to prevent damage or theft, the grating features two mounting holes for secure screw attachment to drainage channels.