Sturdy Material: Our light bar mounting bracket is made of aluminum alloy. It is shockproof, heat-resistant and anti-corrosion, and has excellent performance in extreme weather conditions, including rain and storm. Installation Diameter: 2 sets x mounting brackets, 4 sets x rubber insert, 2 x rubber strips, 4 x mounting bolts and washers, 1 x wrench Allen, suitable for 19mm, 25mm, 28mm, 32mm round tube, bull bar, roll cage, bumper. Lossless Installation: Pre-designed 10mm mounting holes, no drilling required, equipped with stainless steel mounting screws and washers, quick installation with turnbuckles to simplify the installation process. Anti-slip Rubber Insert: The included rubber pad can not only protect your bull bar from scratches, but also increase the friction between the bracket and the bumper bar, making the installation more secure. Wide Application: Ideal for most off-road vehicles, cars, trucks, boats, farm vehicles, etc.