KastKing BackKast Fly Fishing Line Backing Line Posted in Eposeidon Outdoor Adventure Inc., Stores INCREASED STRENGTH – KastKing BackKast fly fishing line backing is woven using thin Store: Eposeidon Outdoor Adventure Inc. Price: $16.99 Buy at Store Related PostsKastKing BackKast Fly Fishing Line Backing LineKastKing BackKast Fly Fishing Line Backing LineKastKing BackKast Fly Fishing Line Backing LineKastKing BackKast Fly Fishing Line Backing LineKastKing BackKast Fly Fishing Line Backing Line