Big Crazy swing speed training aids contains three weights and a simple L-shaped wrench with four rubber protectors. The weight can be changed according to the intensity of your training. Keep training and you'll see results. Increase your swing speed by 5% and gain 25 yards of speed in six weeks. Our swing speed trainer are available in four models for Taylormade, Callaway, Ping, Titleist. Select the swing speed trainer corresponding to your golf clubs.                                             
  
 INCREASE SWING SPEED-Golf swing trainer to improve your muscle memory and gain golf swing speed, up to 15-30 yards even more.Removable golf training aid can be replaced with a simple operation anytime and anywhere. Training swing speed with your existing and familiar golf clubs is more effective.  
  
 USE FOR TITLEIST-These golf training aid are compatible with the first generation of 910 driver up to the current TS13 driver clubs with adapter，including 910,913,915,917,TS1,TS2,TS3,TS4,TSI2,TSI3 and so on.  
  
 3-WEIGHT IN ONE DESIGNED-Big Crazy adjustable golf swing speed training kit meets all your training requirements and saves your money with three weights: 155g,190g,235g.  
  
 NON-SLIP RUBBER SLEEVE-The rubber sleeve protect the golf swing trainer surface increases friction and makes it easier to unscrew.  
  
 PRACTICE AND WARM-UP-Keeping train with weighted golf swing trainer 3 times a week, 10-15 minutes at a time, increase swing speed by upto 5% in 6 weeks.