Help keep your wheel bearings running smoother by protecting the assembly from dirt and debris and maintaining a clean environment with these Uriah Products grease caps. They feature a standard drive-in style for non-EZ lube axles, and they're plated in zinc for added durability. These caps have an outer diameter of 2.72". | Uriah 2.72" O.D. Standard Drive-in Grease Caps 2 Pack