Balance Certified Golf - Drop-In Weight - PutterThe Drop In weights from Balance Certified Golf, Inc. revolutionized the game of golf back in 2003, when the were first introduced. They were the first counter weight technology to bring golfers of all abilities the opportunity to tune every club in the bag to their particular swing. Called the Best Invention for Serious Golfers by James Achenbach, Golfweek Magazine. Award winning performance will give enhanced feel, increased distance control and