The best putters and putting instructors in the game will tell you that nothing is more important than speed control. Get the speed of your putts right, and you will make a lot more birdies – and leave yourself a lot more tap-in pars. The engineers at Ping well understand that, and they say that the company’s new Scottsdale TR (for TrueRoll) series will help players achieve that like nothing else on the market. Available in a dozen models with non-glare, black PVD finishes and white sight lines, TR putters employ a groundbreaking technology that Ping director of engineering Brad Schweigert calls “variable-depth grooves.” By making the grooves in the center of an insert constructed of lightweight, 6061 aerospace-grade aluminum deeper in the center and shallower toward the perimeter, he says, the equipment maker has found a way to provide nearly identical speeds across the club-face, no matter where a golfer actually makes contact with the ball. “We’ve engineered an insert with forgiveness, and one that makes it easier for players to control the speed of their putts,” Schweigert says. While speed control is a major story with the Scottsdale TR putters – which Lee Westwood, Angel Cabrera and Hunter Mahan have been using on Tour – so is the way they may be adjusted. Traditional- length models can be ordered from Ping with a USGA/R&A-conforming shaft that may be set from 31 to 38 inches, while belly putter models can be moved from 37.5 to 46.5 inches, and long putters from 44.5 to 55.5 inches.