Feature 1Easy to Install: Very easy to install and use, will give you the results you need after your regular operation to improve your efficiency. 2Prime Material: Made of premium aluminum alloy material, not easy to be damaged and high hardness, it is a good companion for you when you are working. 3Rust Proof and Durable: Durable and rust proof, still has good stability under unconventional conditions, suitable for long term use. 4High Hardness: It can increase the life of your usage period, high hardness is the most basic guarantee of this product, giving you enough reliability. 5Useful Accessories: If your previous accessories are broken or old, then this is perfect for you to just replace the bad or old ones.Item Type: Cylinder Piston KitMaterial: Aluminum alloyWeight: 500g / 17.64ozUse Diameter: 40mmApplicable: Edge cutting machine .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Cylinder5 x Piston Assembly