Features: High-quality material: Made of high-quality material, wear-resistant and corrosion-resistant, not easy to rust and break, can be used for a long time, durable. Features: Reliable low and high pressure sealing, high and low temperature capability, reduction without loss of tightening load. Uses: Bonded gaskets are widely used for sealing under heads in high pressure applications where copper gaskets are not suitable. They are commonly used in hydraulic and pneumatic connections subject to extremely pressures. EASY TO USE: All ferrules are stored in a labeled, sturdy plastic box, eliminating the hassle of sorting and sizing. Various thicknesses and sizes are in one box, which is very convenient to use. WIDE APPLICATION: Great for high pressure fuel system, brake caliper hollow, brake master cylinder, fuel pipe and water pipe for turbochargers, car replacement drain plug gaskets and more. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: metal, rubber Size: As shown Boxed size: 22*11.2*3cm Package List: 150PCS x Assorted Bonded Sealing Washer