Features Adopt an aluminium alloy cylinder that is durable. The front and rear cover is screwed to the cylinder tube. The piston seal is used in a two-way sealing structure with compact size and oil storage function. The front cover adopts self-lubricating bearing guide, perfect lubrication and guide performance. Convenient to install, easy to use. Description: This air cylinder is made of high-quality aluminium alloy with durable performance. The hub is 100mm and the inner diameter is 25mm, convenient to install, easy to use. Specification: Stroke: 100 mm. Material: aluminium alloy. Operating medium: air. Hole diameter: G1/8 Pressure: 0.1 - 1.0 MPa. Continuous pressure: 1.5 MPa (215 Psi). Working temperature: -20~70℃. Working speed range: 20-800mm/s Mode of action: dual acting. Bore: 25mm/0.98" Stroke: 100mm/3.94" Size: approx. 24 x 3.4 cm / 9.4 x 1.3 inches. Weight: 333 g Package includes: 1 x air cylinder. Package List