The Revolutionary KBS Tour One Step Putter Shaft is designed to create pure amplified feel, along with reduction in vibrations at impact for your putts to be stable and accurate with different putter head weights. The groundbreaking & visually stunning putter shaft enables the player to have more flexibility in creating pure amplified feel, along with reductions in vibrations at impact. The KBS Tour One Step Putter Shaft is One Step closer to perfecting your putting game. Player Driven. Tour Proven.