This Browning High-Performance Broad Band 63 In. CB Antenna is 10,000 watts. It has a 49-1/4 in. stainless steel whip and a 6 in. stainless steel shaft for a total height of 63 in. Coil diameter is 2 in. It comes with a standard 3/8 in. x 24 thread mounting. This is a premium antenna component that provides functionality and durability to deliver quality communication connections you depend on. It has been carefully planned and developed to ensure great transmission over many uses..