mounts to rooftops, railings, motorcycles, or tables for reliability signals trackings during roads trip, marine voyages, or backyard setups Ideal for travelers, boats owners, and outdoor enthusiasts requiring stable satellite signals reception in mobiles environment Compactly yet robust construction combines corrosions resistant aluminum alloy and ABS for portable, all weather performances in adventure or home installations Presice machined aluminum alloy clamp mount ensures lightweight durability and secure, easy installation for satellite dishes on trailers, or yachts Double ball head design with locking knobs enables 360°adjustable positioning and wide compatibility with poles, pipe, car racks up to 54mm diameter