Features 1、This air cylinder is made of high quality aluminum round tube cylinder, with long serving life 2、The front and rear cover are threaded to the cylinder pipe 3、Piston seal adopts the special type double seal structure, there will be no leakage, compact size and oil storage function. 4、The front cover adopts self‑lubrication bearing guide, with good lubrication and guiding performance. 5、The air cylinder is easy to install Specification Features: This air cylinder is made of high quality aluminum round tube cylinder, with long serving life The front and rear cover are threaded to the cylinder pipe Piston seal adopts the special type double seal structure, there will be no leakage, compact size and oil storage function. The front cover adopts self-lubrication bearing guide, with good lubrication and guiding performance. The air cylinder is easy to install Specifications: Model: SDA25*30 Bore: 25mm/0.98inch Stroke:30mm/1.18in Main material: aluminum Working medium: air Working pressure: 0.1 ~ 1Mpa Guaranteed proof pressure: 1.5MPa(215Psi) Hole diameter: M5*0.8 Action: double acting Buffering: anti-collision pad Temperature: 4 ° F to 176 ° F (-15 ° C to 80 ° C) Size: 5.5*4*4cm / 2.17 x 1.57 x 1.57inch Weight: 171g Package Included: 1 x Air Cylinder Package List 1 x Air Cylinder