Includes FREE instructional DVD featuring Fred Funk, 7-time PGA TOUR Driving Accuracy Leader * The Indoor Driver features the patented shaft-weighting technology of the #1 selling Momentus Swing Trainer. * Designed to be swung at home to build the correct golf swing fundamentals to drive the ball longer and straighter * The perfect training club to use each day in the convenience of your home. * 30" long and 50 oz.