Features: High quality material：Aluminum alloy solar bracket components with high strength, corrosion resistance, UV resistance and high frequency insulation, the surface is anodized, wear-resistant and anti-embroidery, and thickened aluminum alloy, bearing up to 100kg! Sturdy & durable：The side-pressed surface of the photovoltaic bracket has been punched by precision machines, polished without burrs; the double-sided concave-convex anti-skid reinforcement design does not affect normal use even in extreme weather such as heavy rain, hurricane, severe cold, and heat, and is durable! Scope of application: Solar panel brackets are suitable for supporting the reinforcement between solar panel, and are widely used: RVs, roofs, boats, yacht decks, industrial buildings can all use our joint brackets, even on various irregular surfaces Install. Easy to install: The photovoltaic aluminum alloy bracket has 9mm/0.35'' diameter screw holes (equivalent to M8 diameter), you can buy screws according to the thickness of your own solar panel, making your photovoltaic installation unique! Photovoltaic bracket package: Our bracket is equipped with 20PCS/50PCS two quantity package options, if you need to consult, we will provide you with the best quality service! Specifications: Material: Aluminum Alloy Quantity: 20PCS/50PCS Size: As Pictured Package Includes: 20/50PCS Solar Panel Mid Clamp note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.