Z-Type Design: Unique design, ideal for uneven surfaces, can mount panels on RV, caravans, yachts, sheds, etc. High Performance: Made of high-quality aluminum alloy, anti-corrosion, anti-rust, wear-resistant and durable. Bracket Size: The width of the mounting screw panel is 30mm, and the total length is 100mm. Easy to Use: Lightweight aluminum alloy construction, easy to carry and install, ideal for mounting a range of solar panels. Package Contents: This solar panel mounting kit contains 8 x 2-hole mounting brackets, 24 x bolts, 24 x washers and 8 x nuts. Note: Please allow 1-3mm error due to manual measurement. Package Includes: 8 x Solar Panel Mounting Brackets. 24 x Bolts. 24 x Washers. 8 x Nuts. Item Specifications: Length: 100mm. Installation Panel Width: 30mm. Thickness: 2mm. Application: For solar panel installation. Material: Aluminum alloy. Color: Silver. Brand: Unbranded/Generic.