Features: Easy installation, a lot of installation for times and cost. Have Strong toughness and high corrosion resistance. Can Withstand extreme weather. Wide applicability, can be installed on various types of roofs. Easy to Install: these adjustable end clamps size can be adjusted according to the different solar panel, you only need to install it in the target position, saving your energy, convenient for you to install. Package Includes: 6x Solar Panel Mounting Bracket Specifications: Material:Aluminum Alloy Length:Approx.39mm/1.54 Width:Approx.45mm/1.77 Thickness:3mm/0.12 Shrinkage height:50mm/1.97 Quantity:6Pcs note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.