Swing Speed Golf Speed Trainer PackWhat's included:Swing Speed Golf shaftShaft weight adapter100 gram weight150 gram weight200 gram weightImprove your swing speed whilst providing a core muscle workout with the Swing Speed Golf Trainer Pack. It will help increase your performance and improves sequencing in the golf swing to give extra distance off the tee.Using Swing Speed's bespoke training club (UK patent pending) with interchangeable weights adapter and following their unique training and exercise programme golfers could gain 20 yards or more of distance. This follows proven methods used in athletic sports to improve performance through Overspeed training.Swing Speed estimate after only 6-8 weeks of training for 10 minutes, 3 times a week an average of up to 8% increase in swing speed. For every 1mph increase in speed a golfer gains 2yards of distance. The average male golfer has a swing speed of between 80-95mph. A Tour pro is usually between 115-130mph. And Long drive champs all the way to 150mph! Based on this, the average golfer has a lot of potential to add some serious distance to their game. Not only does having more yardage in your game bring a feel good factor, it also means better approach shots to the greens and improved scores that ultimately leads to a lower golf handicap.