1. Computer control system:DAHAO computer 2. Head interval:200mm 3. Main motor: Japanese Panasonic servo motor 1.0KW/1.5KW 4. Belt: 50mm Italy Megady belt 5. Rotary hook:Japanese rotary hook: HSH/Koban etc. 6. Aluminum linear driver 7. Max speed:850RPM 8. Sock frames:8.5*12cm/6.5*8.5cm/6*7.5cm/8.5*6cm/6.5*11cm/5.2*6.8cm