1. quality material, to use. 2. Good sealing performance. 3. All contained in a compact compartmented plastic case. 4. Widely used in automobile, motorcycle crankshaft, camshaft, differential, absorber, engine etc. 5. An essential tool for professional use. 240pcs Rubber Ring 1pc High Quality Storage Box Name: Rubber Ring Quantity:240pcs Working pressure: -25 - +100 Working temperature: 40MPa / 5800psi (Max) Working medium: Oil Accessories Details Are As Follows: As Shown in the figure Instruction: 1. [Various sizes]6 different specifications can meet your needs of different sizes. 2. [Good sealing] High-quality NBR embedded, better sealing effect. 3. [High tolerance] The ring gasket can be used under extreme conditions, the maximum pressure is 40 MPa, and the maximum working range is minus 25 degrees Celsius to 100 degrees Celsius. 4. [Scope of application] This oil ring is suitable for pipe connections, screw plugs and pressure systems of mechanical equipment. 5. [Main purpose] Prevent leakage of water, oil, fuel etc. Material: Carbon Steel Color: As Shown Package Contents: 240pcs/box * metric oil seal flat gasket combination Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.