Features: Heavy duty stainless steel L shaped adjustable bracket ensures secure camera installation while protecting vehicle paint from scratches during truck or bus mounting. Features heat resistant darkened finish, 3mm thickened contact points, and 360° rotatable design with quick release clamps for tool free installation on various roof rack types. Ideal for commercial vehicle owners, adventure enthusiasts, and professional installers needing reliable mounting solution for rear/side cameras or rooftops cargo systems. Perfect for securing roof tents, sports equipment, or auxiliary lighting on trucks, buses, and SUVs with round/square crossbars during unpaved trips or urban commutes. multiple functional design accommodates diverse accessories including fishing rod holders, photography gear, and roof boxes through modular combinations without drilling or part removal. Specifications: Material: iron Product size: about 15cmx6cmx3cm/6x2.4x1.2inch Package Includes: 1xRoof Fixing Bracket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.