The Drop-In weights from Balance-Certified Golf, Inc. have revolutionized the game of golf. It is the first counter-weight technology to bring golfers of all abilities the opportunity to tune every club in the bag to their particular swing. Award winning performance will give enhanced feel, increased distance control and lower scores. Proven fitting systems allow golfers to feel and see the difference immediately. The Drop-In weights are "engineered" for all golfers, all techniques and all brands of clubs.