Check the listing for details. PowerFlex Golf Swing Trainer - Power & Tempo Trainer. Color: Black, Condition: Used. Listed at 44.98 USD. Enhance your golf game with the PowerFlex Golf Swing Trainer. This portable and versatile swing trainer is designed for both indoor and outdoor use, making it perfect for golf enthusiasts of all levels. Its sleek black color and compact size (measuring 40 inches in length and weighing only 1.2 pounds) make it easy to carry around the golf course. The PowerFlex Golf Swing Trainer is best for those looking to improve their power and accuracy in golf. It features a unique design that allows you to practice your swing without worrying about hitting the ball too far or not far enough. This swing trainer is suitable for both right-handed and left-handed golfers, ensuring that anyone can benefit from its innovative design. Add this must-have golf training aid to your collection today!