Stop guessing and wasting valuable man hours trying to set and re-set the depth of your verticut blades. The Verti-Gauge is simple to use and ensures accurate settings every time. Place verticut unit on work bench. Hang the Verti-Gauge on the roller across verticut blades. Adjust gauge to find center line on verticut shaft. Spin to find the highest point, then make adjustments and repeat on the right side, then left side. Tighten bolts and you're finished! Accuracy is .002. Takes less than 15 minutes to set all three reels. Ideal for all verticut reels.