Locks into the mounting base and the grill or table locks to the pedestal. The grill or table is instantly removable from the pedestal with a simple push-button release. The pedestal also is instantly removable from the mounting base with a push-bottom release that allows the pedestal to be unthreaded and removed for storage. The low-profile, threaded twist-lock surface mount base measures just 5/8" tall and 7" diameter with a 5-3/4" bolt pattern. Made of durable anodized aluminum with a brushed satin finish, it is perfect for swim platforms, boat decks, pontoon boats, or at home on the patio, balcony or deck. (Grill not included)