Shakespeare's Style 4189 Rail Mount is designed for quick and easy installation on 7/8" and 1" vertical or horizontal rails.  A steel band wraps around and grips the rail, and the convenient handle tightens the grip to support the antenna.  A rotating connection at the rail permits the antenna to be positioned vertically, compensating for a slanting rail.

• 9/32" hole for cable feed-through  
• Standard 1" - 14 thread  
• Handles antennas up to 8' length  
• Glass filled white nylon construction  
• No holes to drill  

WARNING: This product can expose you to chemicals including Di-n-hexyl Phthalate, DnHP, which is known to the State of California to cause reproductive harm, and Vinyl Chloride which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.