Superstroke Flatso Putter Grip The SuperStroke Flatso is the weapon of choice for superstar Jordan Spieth. These putter grips feature a revolutionary pentagonal profile to allow for increased consistency due to its wider flat-front and multiple edges. Flatso? also feature No Taper Technology as well as CROSS-TRACTION surface texture to help you with a smooth, consistent, and reliable putting stroke. Tacky Polyurethane outer layer for a great comfortable feel No Taper Technology creates even grip pressure for a more consistent stroke. Lightweight EVA foams allows for a lighter weight grip in a larger footprint to maximize feel. The CROSS-TRACTION surface texture helps create a more consistent non-slip grip. A variety of Major winning shapes and sizes to fit your needs. Grip Diameter Length WeightCoreFlatso 1.01.1010.5085g0.58Flatso 2.01.2510.5050g0.58Flatso 3.01.4010.5060g0.58 Products Code:SPS00.