Material: Aluminium alloy
Have MB230( key way shaft and spine shaft, clutch, clutch and slide, separated control regulator that five design for your reference)
Mb345( key way shaft and spine shaft, clutch and separated control regulator that four design for your reference)
Mb50( ( spine shaft in one or two sides, separated control regulator that three design for your reference)
Mb460( key way shaft and spine shaft, clutch that three design for your reference)