SAE Metric 826 Pack Rubber O-Rings for Plumbing, Auto Repair and Faucet O-rings are used to keep liquid or air in or out of a defined space. Features: Rubber O-ring used in oil or plumbing replacement. O-rings are used in pipes, machines, engines , hydraulic, sanitary and pneumatic machinery from -21C to +121C. Rubber O-rings provide excellent resistance to acid, gasoline, oil, UV and heat resistant, as well as long life. The set is suitable for all interiors and craftsmen, a must in any garage. You will find the size guide in the product description. QUALITY GUARANTEE - Add to your basket. Product details: Item type : O-ring in nitrile rubber. O-ring color: black. Storage case: PVC, color red. Box dimensions (L x W x H): 25 x 16 x 4 cm. Contents: Assortment of 419 metric nitrile rubber O-rings. 1 PVC box.< /p> Scope of delivery: 20 pieces R-01 3 x 1.5 mm. 20 pieces R-02 4.4 x 2 mm. 18 pieces R-03 5 x 2 mm. 23 pieces R-04 7 x 1.5 mm. 23 pieces R-05 10 x 1.5 mm. 23 pieces R-06 13 x 1.5 mm. 14 pieces R-07 10 x 2.5 mm. 13 pieces R-08 11 x 2.5 mm. 14 pieces R-09 13 x 2.5 mm. 13 pieces R-10 14 x 2.5 mm. 14 pieces R-11 16 x 2.5 mm. 14 pieces R-12 18 x 2.5 mm. 13 pieces R-13 19 x 2.5 mm. 14 pieces R-14 21 x 2.5 mm . 13 pieces R-15 22 x 2.5 mm. 10 pieces R-16 18 x 3.5 mm. 10 pieces R- 17 20 x 3.5 mm. 10 pieces R-18 22 x 3.5 mm. 10 pieces R-19 23.5 x 3.5 mm. 10 pieces R-20 25 x 3.5 mm. 10 pieces R-21 26.5 x 3.5 mm. 10 pieces R-22 28 x 3.5 mm. 10 pieces R-23 30 x 3.5 mm.