The F4 Power Resistance Trainer from ProActive Sports is designed to use natural wind resistance to strengthen your core muscles during the golf swing. The increased resistance helps promote extension and proper swing path, as well as improved release and full finish. The resistance also trains golfers to develop a faster swing for extra distance. The F4 Trainer is designed to help golfers of all skill levels.

- Resistance golf swing training aid

- Excellent for warm-up and strength training

- Strengthen your swing to achieve greater distance off the tee

- Helps promote extension and proper swing path

- Works great for right or left handed Golfers