J-Base f/Windex 15
The J-Base comes with two #10 (5 mm) selftapping screws. 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 Drill a pilot hole in mast, apply silicone sealant or Locktite and screw into mast.