Standard with the WindTrak 10 Sport, J-Base™ can be ordered as an option for WindTrak 15. Allows for side, top, or front mounting on most masts, on big boats or dinghies alike. J-Base is made of glass filled polycarbonate, 2" (5 cm) long. Includes stainless steel set screw and (2) #10 self-tapping screws. Reduces overall weight by 15 grams when substituted for standard mounting base on WindTrak 15.
