Tfi Cero features the longest sightline and perpendicular elements encircled by a uniform ring to further stabilize the putter.We all have different putting strokes address positions and club preferences. And setting up over the ball perfectly every time is nearly impossible leading to misalignment and off center hits. As a result we have developed an alignment technology that allows you to correctly align your putt no matter your setup. We call it 2135. There are too many things to worry about when you're trying to make that putt to win a hole or save par. Alignment doesn't have to be one of them.2135 TECHNOLOGYBy raising the alignment line to the exact radius of the golf ball or 21.35 mm we created the most accurate alignment feature ever for a blade style putter. This alignment feature never moves relative to the golf ball because it is placed at the most optimal position for precision alignment dead center of the golf ball. Regardless of whether you putt with your eyes behind directly over or well over the golf ball the Cleveland Golf TFI 2135 putter offers you perfect alignment.TRUE FEEL INNOVATION (TFI)New TFI (True Feel Innovation) face combines a Milled Copper Infused Face Cap over a Copolymer Insert for the ultimate in feel and consistency across the face.Specifications: Model Head Type Hosel Type Length Lie Loft Head Weight Grip Weight Cero Mallet Single Bend Heel 33" 70 3 370g 65g Cero Mallet Single Bend Heel 34" 70 3 370g 65g Cero Mallet Single Bend Heel 35" 70 3 370g 65g