Product Details： Premium Material, Durable Long Lasting: Solar Panel Brackets Are Made Of Aluminum Alloy, Which With Light Weight, Large Load Capacity And Strong Corrosion Resistance, Suitable For A Variety Of Outdoor Environments. Which Has The Advantages Of Rust Resistance. 30-45 Mm Adjustable Solar End Clamp: This Updated Solar Panel Clamp Features An Innovative Adjustable Design With The Addition Of Flexible Clamp Spacing Adjustment. It Can Be Universally Used For Solar Modules With Thickness Of 1.18-1.77 Inches(30-45 Mm) Complete Kit:8 Pcs Adjustable Solar Panel Brackets Kit, Including Complete Accessories For Installation, The Quantity Is Enough To Meet Your Daily Use And Needs Easy Installation: Solar Mounting Brackets Have Pre-drilled Mounting Holes On The Surface And You Just Need To Choose A Slot To Fit The Height Of Your Solar Panel, And You Can Easily Connect Each Solar Panel. Easy To Install, Save Time And Labor Cost Wide Applications: Suitable For Most Home, Rv And Marine Solar Panel Installati