Bearing Buddy Stainless Steel Bearing Protectors (1.980" Diameter) with Auto Check With Bras - Pair 1.980 inch diameter (Slightly under 2") Prevents wheel bearing failure on boat, snowmobile, ATV, horse, RV and utility trailers Grease level is shown with Auto Check feature - Eliminates bearing repacking Keeps water and dirt out of hubs and bearings - Stainless steel components Please see measurement instructions (secondary picture) to confirm correct sizing.