This multiple Solars Panel size and reinforced side pressure designs prevents slippage, ensuring long time use for residential and mobile energy setups installion solars panel on tilted roofs,or Balconies railings while maintaining weather resistant durability in outdoor environment This pack of 20 Solars Panel brackets features sturdy aluminum alloy construction for secure mounting of solar modules on various items Ideal for Campers owners, campers, and homeowners seek solar solution for motorhomes, balconies, rooftops power stations Designs with innovative Edges Clamps technology and pre drilling screw holes this brackets ensures enhances stability by increasing clamping between solars panel and mounting structures, Manufacturer: JTQYFI