This is an ISO21287 Compact Pneumatic Cylinder from API Pneumatic. 40mm Bore / 125mm Stroke Compact Cylinder Made in Italy.Magnetic. Stainless steel body, with end caps composed of anodised aluminium. Extruded barrel construction and internal grooves for reed sensor options. PU seals. Operating Pressure Range: 2 – 10 bar. Operating Temperature range: -20C to 80C.