Insane Ball Velocity for Insane Distance - Bomb with Bite. The Taylor Made RocketBallz Golf Balls feature SPEEDMANTLE technology for the insane velocity and added iron spin for all swing types. The thin and soft iothane cover is built so you have a great feel and added spin around the green so you can stick-it close and keep it there. Get the same distance the RBZ line offers in the woods and irons, packed into a golf ball.