Packaging：4-Pcs Grease Seals Scope of application：Compatible with 3,500 lbs Capacity – Most 5-Lug Hubs, EZ-Lube Axles & #84 Spindles | Replaces Dexter 010-019-00 (10-19), Transcom 171255TB, National 473336 + More | Sizes: 1.719"I.D.×2.565"O.D. Grease Seal + 2.3" Cotter Pin (Measure Old Seal First!) Sealing: It can effectively prevent the leakage of liquids and gases such as lubricating oil and hydraulic oil in dynamic and static mating components, ensuring the stability of internal pressure. High-quality materials: Made of high quality NBR rubber and spring, steel construction,2-3 times the service life of ordinary oil seals and have been fully tested by the manufacturer, so you can choose with confidence. Confident Purchases:If you have any questions about the product, please contact us so that we can provide you with the best service.