A practice putting device, adapted for use with a golf putter club having a putter blade, a shaft and a handle, is provided for guiding the blade of the club on a straight line through the putting stroke. The device comprises a clamp means for holding the shaft of the putter club and a carriage having first and second arms pivotally mounted to the clamp means in a horizontal plane for upward and downward arc pivotable movement of the arms. The device is used with an elongated planar board wherein the board is positioned on the putting surface. The shaft of the putter is secured in the clamping means and the carriage (and arms) of the putting device are adjusted so that they are substantially transverse to the plane of the board. When the putter head is moved to strike the ball, the putter blade is moved transverse to the golf ball as the putter head is moved back and forth with the arms of the device in contact with the board. The device can be easily adjusted by the golfer to try different putting positions and strokes.
