Shakespeare 4721 Nylon Ratchet Rail Mount

• Standard 1″-14 thread (male)
• Has hole for coax cable pass-through

This sturdy plastic mount attaches to horizontal, vertical, or angled rails betweeen 22 and 25mm (7/8″ – 1″) and has a side slot in the 1″-14 thread section for antennas with coax exiting the bottom center of their ferrule.