Prevents trailer wheel bearing failure. Keeps water and dirt out of hubs. Makes boat trailer wheels safely submersible. Ends the mess of re-packing bearings. Pressure relief feature protects hub seals, prevents overfilling. Quick, positive lubricant level check. To convert a model number to the hub bore in inches, simply place a decimal point after the first digit in the model number (1.980" for example).

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov