Hand-crafted by highly skilled and experienced craftspeople Master Grooming Prestige 7" Dog Grooming Shears by Sensei are a delight to hold and amazing to use. Now available in left-handed styles! Groom faster and more efficiently with less fatigue. Convex Edges for the smoothest most effortless cuts. Patent-pending Zero Gravity Tension System suspends the moving blade between tow counter springs to achieve a truly weightless cutting feel. Sensei Cryo-Tempered steel is subject to extreme low temperature annealing which extends the wear resistance scientifically by 40%. They stay sharp longer than other brands!