Alum Axle Tube Seal 2.50" I.D.Axle Housing Seal, Inner, O-Ring, 2.525 In Od, 1.19 In Id, 1.625 In Thick, Aluminum, Gold Anodized, 2.500 In Id Aluminum Axle Tube, Eachseal Positionaxleseal A Styleo-Ringseal A Quantity3Seal A Inner / Outerinnerseal A Inside Diameter1.19 Inseal A Outside Diameter2.525 Inseal A Thickness1.625 Inintended Tube Diameter2.5 Ininner Seal Materialrubberouter Seal Materialaluminumouter Seal Colorgoldouter Seal Finishanodizedquantityeach