hi all, interested in a fin "standard tuttle box" for a mates Exocet speed slider...the board is 80cms wide and he weighs 110 120kgs approx, he has a 55cm and a 52cm however these fins are to big for his 6.5- 7.5m sails that he uses on this board in stronger winds...fin needed would be 38,40,42 aprox... second hand is his preference any help would be good ive also looked on the buy/sell page kind regards steve o