.Stroke=20 Mm, Piston Diameter=63 Mm, Based On The Standard=(* Iso 6431, * Hole Pattern, * Vdma 24562), Cushioning=P: Flexible Cushioning Rings/Plates At Both Ends, Assembly Position=Any Short-Stroke Cylinder Advc-63-20-I-P-A For Proximity Sensing, Piston-Rod End With Female Thread.