Comprehensive O-Ring Assortment: Includes 270 pieces across 18 popular sizes, ideal for varied air conditioning needs. This expansive selection ensures you have the precise size for different components, facilitating optimal sealing and performance.Superior Material Quality: Our O-rings are crafted from Nitrile Material, ensuring no pollution and an environmentally harmonious use. These rings offer the resilience needed for effective sealing, preventing leaks and maintaining system integrity. A/C Gasket Construction: Each gasket in our 60-piece kit is made from a robust metal ring paired with a high-quality rubber seal. This combination provides a smooth without burrs, ensuring reliable and long-lasting air conditioning repairs.Ideal Replacement Solution: Our kit serves as the perfect replacement for your vehicle's A/C components. It includes washers of sizes and thicknesses, capable of withstanding both high and low temperatures, ensuring your system remains sealed under all conditions.The style of plastic box is random, don't accept the specified, the actual product may have slight color difference or difference, which will not affect the useColour:Photo ColorMaterial:Rubber + MetalPackage Contents:60 PCS 9 Sizes Gasket270 PCS 18 Sizes A/C O Ring SealsOnly 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.