Here is the second generation of carbon fiber mast by Carbon Innovations. Now mast is factory integrated with mast base plate (mast collar) and is offered as one piece. Made out of 100% carbon fiber our mast is additionally reinforced with stainless steel tubes from insde. It provides zero flexibility and gives you a smooth ride with full control of your foil. Full carbon fiber mast base plate (collar) perfectly fits to 90 mm wide twin track system (double US box). Specifications: Material - Custom carbon fiber Pre-preg Type of CF - twill wave 240 grm/sq. m (multiple layers) Finish - UV resistant clear coating Filled with resin from inside Length (standard mast / long mast) - 26" (66 cm) / 32,3" (82 cm) Weight with base plate total (standard mast / long mast) - 1 700 g / 2 050 g Screw hole type - m8 (base plate to board) and m6 (mast to fuselage) You should have tracks integrated to your board before using the kit.