Shakespeare Nylon Ratchet Mount 206B. These mounts have a four-way ratchet design with handle for deck or side mounting. Mount is not intended for use with an antenna longer than 8' in self-supporting mode. Each mount has standard 1" 14-thread male ends. The bolt holes have a 5/16" diameter and are 3" x 1-1/2" on center. Specifications for Shakespeare 4186BP/L206B Nylon Ratchet Mount: Manufacturer: Shakespeare Color: Black Features of Shakespeare 4186BP/L206B Nylon Ratchet Mount Strong nylon ratchet mount Four-way ratchet design with handle Mount is not intended for use with an antenna longer than 8' in self-supporting mode Standard 1" 14-thread male ends Durable stainless steel construction Package Contents: Shakespeare 4186BP/L206B Nylon Ratchet Mount Shakespeare 4186-BP: Nylon Ratchet Mount 4186BP/L206B