Tour Lock Pro 20gram weight (Silver) Improved Edition. (Includes a fastening Tool and Manual)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, solid contact and faster swing speed. Amateur and Professional Golfers tested, improves the accuracy and feel of the club. Recommended for Driver,Fairway,Hybrid,Wedges Note: You will be getting the Newest advanced version of this (2024 Version) Lighter weight compared to 25gram,this is recommended for slow to moderate swing speed. Proven very effective with Fairway woods and hybrid irons. 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 Thank You for visiting! Shop with Confidence from a Highly Respected Seller! Your Satisfaction or Money Back Guarantee!