This adapter allows the use of BOEHM knives JLB on a hand press, this adapter fits the knives with diameters 2-30 mm, shank with flat side can be fixed to the hand press with a M8 screw, is compatible with the brand EMG and types 3HR, 4HR, 14HR et 50HR 7HR, 15HR, 15 HR LP, 20HR et 20HR LP, cutting with the press is advised caution and work with slow pressure buildup