... the same force.Specification: Bore (mm) Ø121620253240506380100MediumFiltered compressed air,lubricated or unlubricatedAction FormDouble ActionSingle acting-push type Pressure15 ... 3/8” Ordering code: SDAS2030BTypeMagnetBoreStrokeThread typeSDA: Double-actingS:With magnet12,16,20,25,32,40,50,63,80,100 ... type N:No thread Dimensions : compact pneumatic cylinder/air cylinder/mini pneumatic cylinder