A putting training aid and putter calibration device for use on a putting surface
is disclosed which includes a horizontal calibrated bar with a linear centered
scale and a parallel calibration block having an orthogonal face and set on the
practice putting surface below and offset from the horizontal calibrated bar. Also
provided is a linear scale decal which is applied to a putter shaft. The device
is designed to align the putter head to proper lie and neutral loft so that the
face is square to the intended target line and to teach the golfer the proper grip,
stance, alignment of the golfer, alignment of the club and proper putting stroke.