'Honed my first Engels today. It was a 'Leader'. 'Clearly extra hollow, confirmed by the calipers reading right at .007". I took alot of time on it, and the test shave was one of the best I've had w/ any blade. 'Clearly in the top 1%. Of the 3 Satinedges I've tried, only 1 was that close to this leader. 'Very impressive.