1.Easy Operation 2.Various type for choose 3.High quality Air shaft with flangeusage:It is widly used printing,cutting,coating,compounding ... sfafts were made of aluminum alloy or steel construction,all air expansion shaft we can according to customer's drawing,welocm OEM ... .Φ74.Φ100.Φ118.Φ150.Φ200.Φ3002,Aluminum tile pneumatic expanding shaft:Φ74,Φ1183,common shaft:fromΦ30-Φ1000. Air Shaft-Key type