Features 1. Effective method to prevent windows: Hurricanes window panel clips can quickly and easily install plywood onto windows in harsh weather conditions without damaging the exterior finish. 2. Provide perfect protection during rainy and windy seasons: Unlike any other window lift clamp used for hurricanes, we include hurricanes window lift clamp screws to enhance the stability of the board and ensure that your windows remain closed. 3. Easy to install and remove: Simply slide and press down on the window frame clamped on 1/2-inch plywood, and when you want to remove them, slightly bend the serrated part. 4. Compatibility: Can be installed on 1/2 inch (approximately 1.3 cm) plywood/OSB boards, as well as on external brick and concrete windows, ultimately protecting your home from strong winds, storms, and hurricanes. 5. Set content: Our window panel clamp set includes 4 door handles and 8 door handle screws, 16 stainless steel hurricanes window lift clamps, and 16 hurricanes plywood clamp screws. Specification Material: Stainless steel Color: Black, Silver Size: 5.5 x 3 x 2 cm Weight: 490 g Package Include: 4 Door handles 8 Door handle screws 16 Pieces of stainless steel hurricanes window lifting clips 16 Hurricanes plywood clip screws