FATSAC V-drive Wakesurf Fat Sac Ballast Bag - 400lbs - Black Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button... FATSAC V-drive Wakesurf Fat Sac Ballast Bag - 400lbs - Black Ships within United States Free shipping with Fishbrain Pro. Sign up here. Share Loading Facebook Like button...