On Sale!! Tour Lock Opti-Vibe 10-20gram Internal Shaft weight Including Installation Tools and Manual. (Improve 10 Golf Clubs in your Bag) Counter Balancing your clubs made easier with the new Tour Lock Pro Technology. These Internal shaft weights are adjustable weights that goes down the shaft of any club.This Technology gives you an advantage to fine tune your clubs in terms of your preferred feel, solidness of contact, Lag, Swing speed, and club head awareness. 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 Fairway,Hybrid Irons, Regular Irons,Wedges. There?s about 20-30 different setups that you can try with each iron/Hybrid/Fairway. You can adjust the weight up or down the shaft depending on the desired feel.Adjustments can vary from centimeters to inches. This package includes: 10-20gram Opti-vibe 10-Plastic Caps 1-Grip Modifier tool 1-Rotary Rasp File 1-Dual Tool 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 Note:Buying these weights and tools separately would cost over $200. So grab this deal while supplies last. Shop with Confidence from a Highly Respected Seller.Fast Free Domestic Shipping and Money Back Guarantee!!!! For any questions please don't hesitate to email us. Thank You for Visiting!!!