This spindle nut retainer (Named Cookie-Cutter for shape) is used to retain the Spindle Nut once the pre-load is set. Cookie cutter style axle nut retainer. Common on EZ-Loader Boat Trailers, Trailer Buddy Axles, and Loadrite trailers.
Fits over 13/16" spindle nut.
Same as EZ Loader # 290-001405