Feature * new and high quality *By connecting the solar panel and fixing it to the track, ensure that the modules are installed in the correct position and orientation. *Material: 6005-T5 aluminum alloy; Corrosion resistance, anodized surfac e treatment. *Easy to install, saves time and labor cost. *Lightweight and comfortable to wear. *Suitable for most frame modules on the market. *Recommended environment: indoor/outdoor *Application: Agriculture/Agriculture, Aquaculture, Automotive,*Emergency Power Supply, Camping/Hiking, Commercial,*Electronics, Home/Garden, Irrigation, Marine *Resistance properties: Abrasion resistant, Chemical resistant,Corrosion resistant, Dust resistant, Dust resistant Details Material: aluminium Color: Black+Silver Rail length: 20cm End clamp: 30mm, 35mm (applicable to solar panels) Middle clamp: 30mm, 35mm (applicable to solar panels) Style: Set 1: 4Pcs rails (4Pcs 2-hole rubber pads+8Pcs screws)+4Pcs end clamp; Set 2: 6Pcs rails (6Pcs 2-hole rubber pads+12Pcs screws)+4Pcs end clamp+2Pcs middle clamp; Set 3: 8Pcs rails (8Pcs 2-hole rubber pads+16Pcs screws)+4Pcs end clamp+4Pcs middle clamp; There are two sizesapplicable to 30mm and 35mm solar panels, that is, the medium pressure edge pressure is applicable to 30mm and 35mm Applicable to solar panels, required products: For 1 solar panel, you only need 4x rail+4x end clamp For 2 solar panel, you need 6x rail+4x end clamp+2x middle clamp For 3-solar panel, you need 8x rail+4x end clamp+4x middle clamp For 4-solar panel, you need 10x rail+4xend clamp+6x middle clamp For 5-solar panel, you need 12x rail+4xend clamp+8x middle clamp For 6 solar panel, you need 14x rail+4xend clamp+10x middle clamp For 7 solar panel, you need 16x rail+4xend clamp+12x middle clamp For 8-solar panel, you need 18x rail+4x end clamp+14x middle clamp For 10 solar panel, you need 22x rail+4x end clamp+18x middle clamp For 12-solar panel, you need 26x rail+4x end clamp+22x middle clamp Package Contents: Set 1: 4Pcs rails (4Pcs 2-hole rubber pads+8Pcs screws)+4Pcs end clamp; Or Set 2: 6Pcs rails (6Pcs 2-hole rubber pads+12Pcs screws)+4Pcs end clamp+2Pcs middle clamp; OR Set 3: 8Pcs rails (8Pcs 2-hole rubber pads+16Pcs screws)+4Pcs end clamp+4Pcs middle clamp; Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.Color: Silver and Black (optional) Type: A: Three-hole adhesive and screw installatio _x000D_