Features: and high quality By connecting the solar panel and fixing them on the track, ensure that the modules are installed in the correct position and orientation Corrosion resistance, anodized surface treatment. Easy to install, saving time and labor cost. Light weight and convenient transportation.suitable for most frame modules on the market. Specifications: For solar panels size: 30mm Style: mid clamps For solar framed panel. Material: Aluminum alloy colour: silver Package Contents: 10 x Photovoltaic Clamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.