TripleTrack Putting DecalsSink more putts with TripleTrack Putting Decals the precision alignment system trusted by pros and weekend warriors alike. Designed to mimic the same TripleTrack technology found on premium golf balls and putters, these decals give you instant visual feedback for a perfect setup and roll every time. Enhances alignment with triple line precision guides. Easy peel and stick design fits most putter heads. Residue free adhesive wont damage club finish.