High Quality: Our heavy-duty window kits are made of cold-rolled steel, which is strong and , and the galvanized is rust- and -. Package Includes: The window well cover hardware kit includes 5 well clamps, 5 cover nuts, 5 flat washers, 5 screws, and a small wrench is given as a gift. Easy to install: First, align with the outside of the fence to mark the position where the hole needs to be drilled on the window well cover; second, drill the hole; third, install the window clamp; fourth, clamp the window well cover on the well. The window well cover clamp measures 2.56 x 1.57 x 0.79 inches/6.5 x 4 x 2 cm, suitable for most corrugated metal and plastic window . Secure Fixation: -duty spring clamps of our window hardware components can be firmly fixed on your window well, but not lock the egress route. Colour:Silver Material:Metal Package Contents: 5 * well clamps 5 * cover nuts 5 * flat washers 5 * screws 1 * small wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.