Tour Lock Pro 30gram weight (Black) Edition. Note: You will be receiving the Newest 2022 version. Sergio Garcia's (WITB) for Winning the 2017 Masters Includes 30Gram Counter Weight in all of his clubs. He started using Tour Lock in 2010, since then he never played without Counter Balance in his clubs. Now it's your turn to try the winning weights. ? Counter Balancing your clubs made easier with the new Tour Lock Pro Technology. This counter weight is proven to give you more club head feel. Amateur and Professional Golfers tested, improves the accuracy and feel of the club. Recommended for Driver,Fairway,Putter Includes Allen key Locking Tool and Installation Manual Immediate Noticeable Effect: 1.) Improves Distance 2.) Smoother Swing flow 3.) Solid Hit 4.) Less Misses/Playable misses 5.) Faster swing speed 6.) Really Good feel/More Confidence 7.) Better Control 8.)Smoother Putting Stroke ? Shop with confidence from Highly Respected Seller! For Questions just email us. Thank You