br The deadaim putter shows you the loft and lie and encourages proper positioning that is taught by leading putting experts. The Dead Aim laser is custom made for your putter and does not need to be calibrated. The deadaim putter ensures that your eyes and hands will be over the ball and in the correct position to make your putts. When your eyes and hands are positioned perfectly the dots and lines inside of the putter will be lined up perfectly.