Feature 1Wide Compatibility: The O rings can be used in pipelines, machinery, hydraulic and pneumatic maintenance, faucets, garages, workshops, automobiles, doors and windows, electrical appliances, bearings, pumps. 2Fitment: The O ring seal kit is a replacement for Komatsu PC Excavator, which is modled and designed depend on the original data. 3Premium Material: Made of high strength rubber, which is resistant to heat, mineral oil, hydraulic oil, natural gas, kerosene, silicone oil, fuel and solvent. 4Fine Workmanship: Professional manufacturing, exquisite workmanship, ensure stable performance and high reliability, have a long service time. 5Storage Box: There are 363 seals in total, provided with a heavy duty storage box to keep the O ring kits of different sizes separate and organized.Item Type:ORingSealKitMaterial: RubberFitment:Replacement for Komatsu PC Excavator .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x ORingSealKit (363 Pcs)1 x Storage Box