Features:1. Our o-ring assortment kit use high-quality nitrile rubber with the perfect thickness offering a balance between strength and flexibility for leakage-free machinery. 2. This anti-freeze and corrosion-resistant metric o ring set will provide secure seals for hydraulic fluids in washrooms and kitchens, making them a perfect fit for your tools.3. Assorted o rings rubber are placed in a sturdy plastic storage box, each size with detailed label paper,are stored in order of small to large for easy retrieval.4. This o rings can also be used by plumbers and DIY homeowners alike in home appliances to seal pipes and fix leaks in household sink pipes, bathtubs, septic lines, etc.5. Packed in a clear plastic organizer case with snap close lid, each of which is individually and organized in size, portable and easy to store.Notice:*Actual color may be slightly different from the image due to different Display and light effect*Please allow 1-3cm deviation due to manual measurementDescription:Box Size: 22*11.2*3cm