1. 1.98in bearing buddies, keep pressure on the grease inside the bearing to prevent water and dust from entering.
2. The spring‑loaded piston exerts a slight pressure of 3psi on the grease, maintaining a slight pressure between the inside of the hub and the outside environment.
3. An automatic pressure relief feature prevents over‑filling and over pressurization, to use.
4. Help you avoid serious mechanical problems and provide long‑lasting and economical solutions for bearing .
5. Simple to mount, it is quick and no mess in filling them up with grease gun; just remove the and you can monitor the grease level at any time.

Specification:
Item Type:
Material: Stainless Steel
Application: Fits on most trailers boat with 1.98in hub diameter

packing list:
2 x