An O-ring is a donut, or torus shaped seal typically used to prevent the passing of air or fluid. In other words, O-rings are used to keep fluid or air IN or OUT of a defined space. O-rings can be used for more than preventing air or fluid from passing, they are also used as drive belt, decorative objects on furniture, cups and automotive parts and also used as body jewelry. O-ring kits in a wide variety of materials are in-stock, containing hundreds of o-rings and metric o-rings in a range of popular sizes. Order online today from the worldβs largest o-ring inventory network for fast service and reliable shipping. we offers O-ring kits in popular materials such as Nitrile, Highly Saturated Nitrile, Viton/fluorocarbon, EPDM and Silicone. O-ring Kits are an excellent tool for shops, maintenance workers, or crews out in the field. manufactures O-ring kits which are ideal for away sites, maintenance dept etc. These kits have assorted sizes of high-quality O-rings which comes handy during emergency replacements and reduces downtime drastically. All O-rings are manufactured from special multi-cavity flash-less tooling & regular compounds, hence there is no compromise in the quality of O-rings & yet our rates are very competitive. We can offer these kits in standard, metric & Japanese standard sizes in various polymers, Nitrile (NBR) & FKM (Viton) O-ring kits being ex-stock in our inventory. We offer a direct approach to purchasing o-rings from one of the largest inventories in the sealing industry. This is a compact and very useful sealing kit which is applicable in industries including hydraulic and pneumatic operations.