Firestik SS274A Adjustable Stainless Steel Hood-Trunk Channel Antenna Mount Specifically designed for hood, trunk and hatchback applications Fully adjustable to compensate for sloping angles such as those common on mini-van hoods and/or hatchback doors Accommodates channels that are up to 2 (50mm) deep The bracket is 4 (100mm) tall and 1.5 (38mm) wide Includes a K-4A SO-239 antenna stud mount