Never worry again when installing: our photovoltaic module holders are precisely cut and finished. Deburring of drill holes is not required. Easy installation: these solar system holders are designed for mounting photovoltaic panels. The photovoltaic mounts are secured between the solar panels using an 8mm barrel screw and a flange nut for quick and simple setup. The solar panel holders measure 50 mm in length and are compatible with all frame heights at a distance of 20 mm. High-quality material: the PV mounts are made from premium 6060 grade aluminum alloy. Anodized for enhanced durability and resistance to environmental conditions. Color: Black Material: Aluminum alloy Package Contents: 30 x Solar panel photovoltaic module clamps, black Note: The package includes only the items listed above; other products are not included. Note: Lighting effects and display settings may cause slight color variations between the image and the actual product. Measurement tolerance: +/- 1-3 cm.