Excellent sharpening potential. Sanelli 308625 Premana Professional 10 Inch Dough Knife Handles The exclusive ergonomic handle design is the result of special studies carried out at qualified University Institutes (a research unit named EPM: Ergonomics of Posture and Movement at the Milan Polytechnic) and tested by computerized experimental tests. No other collection of professional cutlery currently available has all these properties.A.