Features: Achieve precise height customization for varied roofing projects while maintaining weather resistant durability through metal components that withstand harsh outdoor conditions. Heavy Duty construction brackets feature reinforced load bearing joints and tool less assembly mechanisms, ensuring structural integrity across multiple adjustment positions. Designed for contractors, renovation professional, and diyer enthusiasts seeking reliabled adjustable column brackets for temporary installations or permanent structural reinforcement in residential/commercial environments. Optimized for roof maintenance, terrace extensions, and industrial scaffolding systems where secure elevations control meets corrosions resistant performances in rainy, humid, or coastal climates. This 2 pack galvanized support systems combines industrial grade rust protective with fast height lock technology, enabling rapid deployment for emergencies repairs, seasonal installations, or multi levels platform configurations. Specifications: Component: Galvanized metal, with excellent corrosions resistance and durability. Size:Approx.7.5x9.5cm/2.95x3.74inch Styles:A/B Package Includes: Pack Of 2 Adjustable Roof Support Brackets note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.