High-precision bearings adopted in the main shaft system, made strictly with heat treatment technics; Caremilling on the positioning surface ensures a high precision in thesecond mount/demount operation.• Many balancing ways to suit different wheel structures.• Many optional wheel-positioning ways.• Self-calibrating program to ensure a long service life.• Measurement units conversion Function (gram-ounce).• Display of trouble diagnosis to make maintenance more convenient.• Protective Hood (Optional).