Product Overview: With a distinctive contoured shape and exclusive Fingerprint Technology, the Sink Fit Straight encourages lighter grip pressure and a smoother putting stroke. Features: The SINK FIT Straight features a parallel shape with a subtle contour in the back of the grip. An excellent tool to encourage a smoother pendulum-style stroke. Fingerprint Technology offers a comfortable and secure feel with and ideal level of grip traction for a confident connection. Rubber versions made with a propietary compound developed by Lamkin chemists to provide a responsive feel, optimized surface tack, and unmatched durability. The unique contoured shape promotes proper wrist alignment for a more controlled, consistent putting stroke.