Titleist Scotty Cameron Studio Style Fastback LONG Design Practice Facilcity The new ZERO is a The new ZERO is a patent pending blend of five key putting technologies that virtually lock the putter face to the target line throughout the putting stroke Parallel design has uniform lower hand profile to minimize grip pressure and maintain putter head path for a more consistent stroke the confidence inspiring Studio Style Fastback Long Design putter allows the player flexibility to adjust stance The Fastback Long Design was crafted longer and heavier for players looking to quiet their hands and engage the shoulders with the flexibility to adjust stance