Category D - Available - Bernina B710, B750QE, B780
Category E - Available - 7 Series Ea 2-4 ; 1. B700E 2. B720 3. B740 4. B770QE,B790,B790 Plus
5 Series Eb 2-4 ; 1. B500E 2. B535 3. B540 4. B570QE, B590
4 Series- Available-Ec1-3 ; 1. B435 2. B475QE, B485 3. B480
Category F - Available - Bernina 1. B820QE 2. B830, B880, B880 Plus