Ping karsten tr true roll golf putters at clickgolfcoukfive of pings most popular timeless and tour proven head designs are showcased in the ping golf karsten tr true roll puttersthe karsten tr offers variable depth grooves precision milled into the face of the 17 4 stainless steel head to improve ball speed consistency for unmatched distance controlthis anser 5 model is designed for golfers with a straight back and through putting strokethe el