Surfboard Fins MR - Dual Tab Twin 2+1 - HEXCOREMR style surfboard fins Australia in dual tab Twin + Stabiliser with Performance HexCore suited toward twin fin style boards this larger retro template provides drive and speed like you wouldnt believe! smaller rear stabilizer fin tempers the looseness of the twin fin set up by adding an element of control. perfect for experimenting add the stabilser fin when you need more drive, and remove it to enjoy the complete freedom and pivot of the pure twin