DetailsFeatures a bottom mounted crank assembly for ease of deployment fore and aft. • Simply push up on the handle to release the gears and turn 12 times to complete deployment of your running light. • Then simply pull handle down to lock into place. • Adjustable up or down motion eliminates climbing the gunnel to adjust your running light. • Fits all prepared t-tops with 3” Mounting Hole. Fits Hard tops up to 2 1/2” thick.