Feature

●Computerized thousands of putting lines Black and red lines indicate optimal launch direction and strength for best putting on any tilt (patented)
●2.6 inches (6.6 cm) outer diameter for accurate measurements even on rough turfs. Displays green tilt (up to 3 degrees) and direction (360 degree omnidirections)
●Suitable for Putting Green with the most standard turf speed stampmeter 9.5 ft
●This device is not for official competition
●This unit does not guarantee 1 putt cup-in. The instructions may not fit on tight greens, snake lines, potato chips, or double green surfaces


Description

66mm diameter 10mm thickness for stampeter 9.5 feet (most standard turf speeds)