Features 

◎ Maximized shaft external diameter increased transverse loading- resistance in case of table locking

◎ Since it is locked as piston is descending no shaking of table

◎ Restrain vacuum generation at clutch part during locking releasing, enhanced original point restoration

◎ Upgraded assembly performance and compact exterior by cylinder-tube integrated structure

◎ Possible to select materials for upper table

◎ Suction port reserved to forcibly exhaust particle generated inside

◎ User convenience and solidity oriented mechanical structure