Shakespeare 4188SL Rail Mount For 1 - 1 1/4in Rails Stainless Steel Ratchet

Style 4188-SL
Ratchet rail mount
Ratchet Rail Mount - Ratchet action, fast release design for quick and easy laydown. Mounts easily on vertical or horizontal rails - Same as Style 4188-S, but for 1in to 1«in rails.
Standard 1in-14 thread.(male)
9/32in hole for cable feed-through
Handles antennas up to 8ft
Heavy duty construction