Every Wicked Edge Precision Knife Sharpener is able to provide the same, incredible edge results. Hence, in selecting your sharpener, you're weighing factors such as ease of use, included abrasives, technological features, and visual preferences, rather than focusing solely on the resulting sharpness. The Wicked Edge Generation 4 Pro Sharpener is built for high volume usage, such as knife makers, sharpening services, or knife enthusiast. The dual-sided angle adjustment facilitates rapid setup and adjustment when determining your angle, automatically locking into place to prevent any further movement beyond the chosen degree.