The Sure Putt green reader has a state-of-the-art leveling vial that is used to read the slope and give a precise reading. 

• Sure Putt Pro made from high grade machined aluminum and electrically anodized to seal in the color with the metal. It won't fade or chip like paint.
• Each Sure Putt Pro comes with its own carry bag and instruction card. 
• Sure Putt Lite is constructed of ABS plastic and will not warp or change shape.It comes in a clear clam shell hanging package with complete instructions.
• Read the greens like a pro with the newest green reader training aid!