1,precisely adjustable cushioning 2,free lubrication 3,various mounting type 4,Standard is with magnet Air pneumatic cylinder -ODNC1, ... lubricationThe bush is oil bearing,self lubrication.3,various mounting typeMany mounting bracket are available,such CA,CB,LB,PHSA,FDJT ... ,Y kunckle4,Standard type is with magnetDirectly put a magetic switch ...