Surfboard Fins M Quad Dual Tab - CARBON BASECARBON Base + Hexcore = Responsive Power For experienced surfers Carbon Hexcore fins are the perfect combination of power and response Medium surfer weight 65 80kg Quad set consists of 2x size m5 front, and 2x size m3 rear For those who surf critical, these advanced carbon fins provide a more progressive flex, starting from the stiffer carbon base and releasing through to the responsive fiberglass tip. Meaning you get the best of both worlds, with