Larger 3.54 -Inch Contact Area Wide 90mm metal plates provide stronger adhesive bonding and better load distribution for improved highway stability. ^^ For Non-Magnetic Roofs Creates a secure magnetic mounting surface on aluminum, fiberglass, glass, and other non-magnetic vehicle roofs. ^^ Compatible with Starlink Mounts Designed for Starlink Mini and Gen 3 magnetic mounts; includes 4 metal plates for a complete mounting setup. ^^ Ideal for Outdoor Travel Suitable for RVs, SUVs, trailers, camping, overlanding, and other mobile or off-grid internet setups. ^^ Durable Exterior-Grade Build Weather-resistant metal construction maintains reliable magnetic hold during long-term outdoor use.