Su stick base and screw fixation.Powerful adhesion VHB tape: double -sided acrylic tape super sticky.It is easily pasted on the smooth .For special application scenarios for outdoor, you can choose screw fixing at the same time. The light bar installation clip is made of high -quality PA66 environmental protection materials, which can be recycled and without damaging the brightness of the light. In design for 0.31-0.47 inches wide waterproof or non -waterproof lamp bar and cable design. These installation clips provide general solutions for various LED lighting settings. This in this set contains 100 installation clamps and 100 screws, you can have a comprehensive LED light bar installation.No need to buy additional accessories -we provide you with a . Even if you want to remove them, you can easily tear the whole piece of glue without any stains.