1Fitment: This mounting clamps truck topper clamp is suitable for many different models of pickups, trucks. 2Functionality: These truck cover clips are large, making these clips more flexible and easier to maneuver when mounted on top of different truck models. 3Advantage: No drilling is required to install these canopy clips, install the clips where you need them and they will always stay tight and securely attached to your truck lid. 4 Aluminum Alloy: This clamp is made of premium aluminum alloy. The clamp has good quality, high strength is not easy to corrode, and has a long service life. 5Good Gift Choice: With this clamp, you can put a car cover or a camping shell to take a car trip with your lover or kids. This clamp is a great gift for yourself or a friend who wants to travel.