This optional mount for WindTrak 15 provides more versatility and reduces overall weight aloft by 15 grams when substituted for standard WindTrak 15 mounting base.
The J-Base comes with two #10 (5 mm) selftapping screws. Drill a pilot hole in mast, apply silicone sealant or Locktite® and screw into mast. Installation of J-Base can also be accomplished by tapping the mast for 3/16" (5 mm) machine screws or by using epoxy putty to affix base to the mast
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![Davis J-Base f/WindTrak 15 [3155]](http://www.essentialmarineservices.com/cdn/shop/files/45967XL.jpg?v=1702356029&width=1445)