The mount has two ratchet configurations, one secured by bolts through the bottom of the mount and one tightened by the ratchet handle. The horizontal ratchet permits rotation of the direction of the laydown that is controlled by the handle.

• 9/32" hole for cable feed-through
• Standard 1" - 14 thread
• Handles antennas up to 8' length
• Stainless Steel, heavy duty construction
  Two Sizes:
  • 4188-S : For rails of 7/8" to 1" outside diameter
  • 4188-SL : For rails of 1" to 1-1/2" outside diameter