uxcell Pneumatic 12mmx25mm Double Action Thin Air Cylinder SDA 12-25 Product Name : Air Cylinder;Model : SDA 12-25;Action Type : Double Action Bore : 12mm/0.47'';Stroke : 25mm/1'';Max Presssure : 1.0Mpa Port Dia.(Approx) : 4mm/0.16'';Center Threaded Hole Dia(Approx) : 3mm/0.12'';Piston Rod External Diameter : 6mm/0.24'' Mounting Thread Diameter : 4mm/0.16'';Overall Size(Approx) : 25 x 25 x 45mm/1'' x 1'' x 1.8'' (L*W*H);Material : Aluminum Alloy Weight : 54g;Package Content : 1 x Air Cylinder