No more crooked cutting. The three bubble levels in this comb help you cut in 0 degree elevation, 45 degree elevation and 90 degree elevation. This level comb is great for the new stylist, the advanced stylist and even the kitchen stylist. This is a great smooth cutting comb in it's own right, but the bubbles create a versatility that takes the guess work out of your angles. Light weight but sturdy. Bubble level indicator for vertical, horizontal and diagonal cutting.