Dead Aim 3D Mallet Golf Putter USGA approved putter with three dimensional set up and alignment High visibility center marking and alignment aid for perfect aim Hand and eye position Sight scope for putting consistency Optional detachable Center Strike Clip for consistent club head center strikes Optional detachable laser for accuracy training (Not included) USGA approved putter with three dimensional set up and alignment High visibility center marking and alignment aid for perfect aim Hand and eye position Sight scope for putting consistency Optional detachable Center Strike Clip for consistent club head center strikes Optional detachable laser for accuracy training